One Variable on Both Sides Equations

Solve for f:
f - 4 = 6f + 26

• f = -5

• f = 5

• f = 6

• f = -6

10x + 9 = 4x - 9

• x = 0

• x = 3

• x = -3

• x = -18

Which answer is the solution to the following equation?

30a-24=5a+26

• a=1

• a=1.3

• a=2

• None of these

-10x - 135 = 117 + 2x

• 25

• -18

• -21

• 22

Mathematical Equivalence

ON

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 (left side)

-2x (right side)

/2x (left side)

/2x (right side)

Describe what was done in each solving step!

• Divide by -10 on both sides

• Step 1

• Combine Like Terms

• Step 5

• Subtract 10 from both sides

• Step 3

• Subtract 4x from both sides

• Step 4

• Distribute

• Step 2

• a= -2

• a= -7.5

• a= 2

• a= 6

Mathematical Equivalence

ON