Solving Multi-Step Equations

Identify the correct simplified version of this equation:

a − 2 + 3 = −2

• a+5 = -2

• a-1 = -2

• a + 1 = -2

• a-5 = -2

Tags

CCSS.6.EE.B.7

30 = −5(6n + 6);

30 = -30n - 30

What should be the next step?

• Subtract 30 from each side

• Add 30n to each side

• Add 30 to each side

• Divide by 30

Tags

CCSS.7.EE.B.4A

• Simplified the fraction incorrectly

• Distributed incorrectly

• -13 - 5 is not -18 

• Combined the like terms incorrectly

Tags

CCSS.HSA.REI.A.1

Identify the correct version of this equation after the first step.

• -5n -8 - 56n = -8

• -5n + 8 + 56n = -8

• -5n -8 + 56n = -8

• -5n - 8 + 7n = -8

Tags

CCSS.HSA.REI.A.1

Use the check to see x= 2 is the correct solution for the equation below.

4x + 6 + 3 = 17

• Yes, it's right!

• No, it's incorrect.

• I'm not sure.

Tags

CCSS.6.EE.B.5

Identify the correct next line of the equation that was started below.

• 4x = 2

• -7 = 9 - 4x

• 4x = 16

• -7 = 9 + 4x

Tags

CCSS.6.EE.B.7

A student said the solution to this equation is that f =1.

Use the check step to see if the student is correct.

- 9(3f + 2) = 19

• Yes, it's correct!

• No, the student needs to try again.

• I'm not sure.

Solve: 3(x-4) = -3

• 3

• -3

• 5

• -5

Tags

CCSS.7.EE.B.4A

Solve for d:
-7(6 + d) = 49

• 13

• 1

• -1

• -13

Tags

CCSS.7.EE.B.4A

Solve for x:
2x = 25 - 3x

• x = 25

• x = -25

• x = 5

• x = -5