Question

3x+8=2x+21
X=?
(all working out needed)

Answer 1

x = 13

Explanation:

3x + 8 = 2x + 21

x + 8 = 21

x = 13

Answer 2

x=13

Explanation:

3x=2x+21−8

3x=2x+13

3x−2x=13

x=13