Solve 8k − 6 = 6(k + 3) + 6k. What is its solution?

• -6

• 6

• 3

• -3

• 12

What is the solution to −5 + 5(n − 7) = −40 + 5n?

• All real numbers

• No solution

• 7

• -5

• 0

Tags

CCSS.8.EE.C.7A

What is the solution to 6x + 1 = −6(1 − x)?

• All real numbers

• No solution

• 7

• -7

• 5

Tags

CCSS.8.EE.C.7A

What value of "r" makes 4(3r + 4) = −8(2r + 5) a true statement?

• -2

• 6

• 3

• -8

Tags

CCSS.6.EE.B.5

Mathematical Equivalence

ON

3x + 10 + 2x = 2 (x + 8)

5x + 10 = 2x + 16

What is the next step? Drag the correct part under the equation. Be sure to put the one labeled left on the left.

d

a

/2x (right side)

-2x (left side)

/2x (left side)

-2x (right side)

Solve the equation for the variable

Describe what was done in each solving step!

• Combine Like Terms

• Step 5

• Distribute

• Step 1

• Subtract 4x from both sides

• Step 3

• Subtract 10 from both sides

• Step 4

• Divide by -10 on both sides

• Step 2

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

Solve for x. 
5x - 10 = x + 6

• No solution

• x = 1

• x = 2

• x = 4