Quiz lesson 12.1 Solving Two-step Equations

• Add 15 to the both sides.

• Multiply by 4 both sides.

• Subtract 15 from both sides.

• Divide by 4 both sides.

• Add 6 to the both sides.

• Subtract 6 from both sides.

• Multiply by -9 both sides.

• Divide by -9 both sides.