Equation Test Review

What is the FIRST step needed to solve the equation?

4 = 2x + 10

• subtract 10 from both sides

• subtract 4 from both sides

• subtract 2 from both sides

Solve the equation:

x - 4 = -10

• x = 14

• x = 6

• x = -4

• x = -6

What is the inverse operation needed to solve the equation?

25 = 5x

• subtract 25 from both sides

• subtract 5 from both sides

• divide both sides by 5

• multiply both sides by -5

Tags

CCSS.HSA.REI.A.1

What is the solution to -4x = -20?

• -16

• 5

• -5

• 80

What do you need to do to both sides to isolate the variable?

• Add 5

• Subtract 5

• Multiply by 5

• Divide by 5.

Tags

CCSS.6.EE.B.7

Solve the equation:

7 = -12 + x

• x = -19

• x = 5

• x = -5

• x = 19

Tags

CCSS.6.EE.B.7

What is the correct step to isolate the variable?

15 = m - 5

• add 15 to both sides

• add 5 to both sides

• subtract 15 from both sides

• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

What is the inverse operation used to solve:

-10x = -20

• Add -10

• Subtract -10

• Multiply by -10

• Divide by -10

Tags

CCSS.HSA.REI.A.1

What is the correct simplified equation needed to solve for x?

-8x + 16 + 10x - 2 = -1

• -2x = 15

• 2x = -15

• -18x = -1

• 6x = -8

When solving a two-step equation, which operations do you undo FIRST?

• addition or subtraction

• multiplication or division

Tags

CCSS.7.EE.B.4A