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G8 Multi-Variable Equations

Authored by Marissa Sowada

Mathematics

8th Grade

CCSS covered

G8 Multi-Variable Equations
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9 questions

Show all answers

1.

REORDER QUESTION

1 min • 1 pt

Put the steps for solving this equation in order.

3(2x−8)=123\left(2x-8\right)=12

Add 24 to both sides

Distribute

Write solution as

x = 6

Divide by 6 on both sides

Tags

CCSS.7.EE.B.4A

2.

REORDER QUESTION

1 min • 1 pt

Put the steps for solving this equation in order.

3(2x−8)− 8=243\left(2x-8\right)-\ 8=24

Distribute

Write solution as

x =

Divide by 6 on both sides

Combine Like Terms

Add 32 to both sides

Tags

CCSS.7.EE.B.4A

3.

REORDER QUESTION

1 min • 1 pt

Put the steps for solving this equation in order for the easiest way to solve.

8x−3x+9=14−68x-3x+9=14-6

Combine Like Terms

Subtract on both sides

Divide on both sides

Write solution as

x =

Tags

CCSS.7.EE.B.4A

4.

REORDER QUESTION

1 min • 1 pt

Put the steps for solving this equation in order for the easiest way to solve.

8x−17=3x−78x-17=3x-7

Add one of the constants to both sides

Move one variable group to the other side using subtraction.

Divide on both sides

Write solution as

x =

5.

MATH RESPONSE QUESTION

2 mins • 1 pt

Isolate y.

x+y=10x+y=10

y=10−xy=10-x

Mathematical Equivalence

ON

Tags

CCSS.6.EE.C.9

6.

MATH RESPONSE QUESTION

2 mins • 1 pt

Isolate y.

−2x+y=12-2x+y=12

y=12+2xy=12+2x

Mathematical Equivalence

ON

Tags

CCSS.6.EE.C.9

7.

MATH RESPONSE QUESTION

2 mins • 1 pt

Isolate x.

15=x+3y15=x+3y

15−3y=x15-3y=x

Mathematical Equivalence

OFF

Tags

CCSS.HSA.REI.B.3

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