Two step equations | Linear equation problems | Substitution | Identifying and graphing functions | Combining like terms |
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2x+5=21
-5 -5 ____________ 2x = 16 /2 /2 ___________ x=8
Solve for x: 2x+5=21
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Y= 10x
What is the correct equation in the y-intercept form?
Solve through slope triangles. https://docs.google.com/presentation/d/1sVINWERau1cZCi3kqeMTYC6snPHsdR06dqmhPgAnT40/edit#slide=id.g772ed1a6f3_0_132 (copy the link for picture) |
2x-2= -2x+6
+2x +2x __________ 4x-2= 6 +2 +2 __________ 4x = 8 /4 /4 ___________ x=2 Y=2
Solve for x and y: 2x-y=2 and 2x+y=6
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9: -10 ⅘
-1: -8.8 5: -10 -7: -7.6 3: -9.6
Complete the function table using the equation:
- Y= -1/5X- https://docs.google.com/presentation/d/1sVINWERau1cZCi3kqeMTYC6snPHsdR06dqmhPgAnT40/edit#slide=id.g772ed1a6f3_0_127 (link for picture of the table) |
6w+2
4w+3+2w-1
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3x+15= -16
-5 -5 ___________ 3x = -21 /3 /3 __________ x= -7
Solve for x: 3x+15=- -16
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Y=15x
What is the correct equation in the y-intercept form?
Solve through slope triangles. https://docs.google.com/presentation/d/1sVINWERau1cZCi3kqeMTYC6snPHsdR06dqmhPgAnT40/edit#slide=id.g772ed1a6f3_0_132 (copy the link for picture) |
-x -4 =2x +4
+x +x __________ -4 = 3x+4 +4 +4 __________ 0 = 3x /3 /3 __________ 0=X Y= -4
Solve for x and y: y= -x -4 and y= 2x+4
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5: 5.375
-2: 6.25 7: 5.1225 6: 5.25 9: 4.875
Complete the function table using the equation:
Y=-1/8X+6 https://docs.google.com/presentation/d/1sVINWERau1cZCi3kqeMTYC6snPHsdR06dqmhPgAnT40/edit#slide=id.g772ed1a6f3_0_127 (link for picture of the table) |
8y-6x+2-4y+8x+4
-2 (-4y+3x-1) +2 (-2y+4x+2)
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2x-5= 7
+5 +5 ________ 2x = 12 /2 /2 _______ X= 6
Solve for x: 2x-7=7
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Y= -1x+40
What is the correct equation in the y-intercept form?
Solve through slope triangles. https://docs.google.com/presentation/d/1sVINWERau1cZCi3kqeMTYC6snPHsdR06dqmhPgAnT40/edit#slide=id.g772ed1a6f3_0_132 (copy the link for picture) |
-4x+2 = 3x+2
+4x +4x __________ 2= 7x+2 -2 -2 ______________ 0 = 7x /7 /7 _____________ 0=x y=2
Solve for x and y: -4x+2 = 3x+2
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9: 58
7: 44 3: 16 -9: -68 2: 9
Complete the function table using the equation:
Y= 7x-5 https://docs.google.com/presentation/d/1sVINWERau1cZCi3kqeMTYC6snPHsdR06dqmhPgAnT40/edit#slide=id.g772ed1a6f3_0_127 (link for picture of the table) |
14x+2
4(3x+2) + (x-3)
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1/3y+2= -8
-2 -2 __________________ 3/1 * 1/3y= -10 * 3/1 __________________ y= -30
Solve for x: ⅓y+2= -8
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X=3
What is the correct equation in the y-intercept form?
Solve through slope triangles. https://docs.google.com/presentation/d/1sVINWERau1cZCi3kqeMTYC6snPHsdR06dqmhPgAnT40/edit#slide=id.g772ed1a6f3_0_132 (copy the link for picture) |
-3x-3 = 4x+4
+3x =3x ____________ -3 = 7x +4 -4 -4 ___________ -7 = 7x /7 /7 ____________ -1=x y=0
Solve for x and y: -3x-3 = 4x+4
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4: -13
3:-8 9: -38 0: 7 -5: 32
Complete the function table using the equation:
Y= -5X+7 https://docs.google.com/presentation/d/1sVINWERau1cZCi3kqeMTYC6snPHsdR06dqmhPgAnT40/edit#slide=id.g772ed1a6f3_0_127 (link for picture of the table) |
4m+5+7y
4y+m+5+3y+3m
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Add or subtract to isolate the variable term.
Multiply or divide to solve for variables. Check Solutions. And you have your answer.
How do you solve two-step equations?
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Y=5
What is the correct equation in the y-intercept form?
Solve through slope triangles. https://docs.google.com/presentation/d/1sVINWERau1cZCi3kqeMTYC6snPHsdR06dqmhPgAnT40/edit#slide=id.g772ed1a6f3_0_132 (copy the link for picture) |
7x-2 = -3x-3
+3x +3x __________ 10x-2 = -3 +2 +2 ___________ 10x-2 = -3 +2 +2 ______________ 10x-2 = -3 +2 +2 _______________ 10x= -1 /10 /10 ______________ X= -1/10
Solve for x and y: 7x-2 = -3x-3
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9: -81
3: -27 -3: 27 8: -72 7: -63
Complete the function table using the equation:
Y= -9X https://docs.google.com/presentation/d/1sVINWERau1cZCi3kqeMTYC6snPHsdR06dqmhPgAnT40/edit#slide=id.g772ed1a6f3_0_127 (link for picture of the table) |
3x-2
5x-2 (x-1)
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