Question

Steps for solving 4x - 12 =20 are shown. explain how step 3 helps sovle the equation.

Answer 1

Solution for 4x-12=20 equation:

4x - 12 = 20

4x = 20 + 12

4x = 32 (divide both sides by 4 to get x)

4x/4 = 32/4

x = 8

Answer 2

Answer: x = 8

Explanation:

4x - 12 = 20

+12 +12

4x = 32

`(4x)/(4) = (32)/(4)`

x = 8