Solving Equations by Multiplying or Dividing

What is the inverse operation of multiplying (x)?

• Adding (+)

• Subtracting (-)

• Multiplying (×)

• Dividing (÷)

What is the inverse operation of Dividing (÷)?

• Adding (+)

• Subtracting (-)

• Multiplying (×)

• Dividing (÷)

Solve the following for x:  -2/5(x+10)=3/5x

• 4

• -20

• -9

• -4

3x + 2(4x - 4) = 3

• 4

• 3

• 2

• 1

4w + ²/₇ = -⁴/₅

• w=-¹⁹/₇₀

• w⁷⁰/19

• w=¹⁹/₇₀

• w= -⁷⁰/19

• 1/7
• 47/36
• 7
• 23

True or False:  In order to solve the equation below, you would first subtract 3 from each side, then you would multiply by -5 on each side.
7 = c/(-5) + 3

• True

• False

True or False:  In order to solve the equation below, you would add 6 to each side then multiply by 8 on each side.
g/8- 6 = -12

• true

• false

Given the equation:  
(z - 7)/5 = -3
After multiplying by 5 on each side, you get
z - 7 = -15.

• True

• False

Solve the following equation:
(2t - 5)/(-9) = 7

• -34

• -29

• 29

• 34