Question

8x + 7 – 2x + 5 = 4x + 12 – (x – 30)

Answer 1

Hola!!

8x+7-2x+5=4x+12- (x-30)
6x+12=4x+12-x+30
6x=3x+30
6x-3x=30
3x=30
x=30/3
x=10

Espero te sirva !! ^^