Question

30 = 12z - 18 Solve for z

Answer 1

z = 4

Explanation:

SO first we have to Add 18 to both sides;

48 = 12z OR 12x = 48

Divide both sides by 12

z = 4

Answer 2

z = 4

Explanation:

12z - 18 = 30

add 18 to both sides:

12z = 48

divide by 12:

z = 4