Question

Calcule 3(X + 2) + 5 = X + 12
5(3X - 2) =2 (6 X + 3)

Answer 1

3x+6+5 = x+12
3x-x = 12-6-5
2x = 6-5
2x = 1
x = 1/2

15x - 10 = 12x + 6
15x - 12x = 10+6
3x = 16
x = 16/3

Answer 2

5(3X - 2) =2 (6 X + 3)
15X - 10 = 12X + 6
15x-12x = 6 + 10
   3x = 16
    x = 16/3