Question

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

Answer 1

Answer: x = 8

Step-by-step explanation:

4x - 12 = 20

    +12  +12

4x       =  32

   $\frac{4x}{4} = \frac{32}{4}$

      x   =  8

Answer 2

Answer:

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