Question

Решите уравнения:
а)4х-7=2х+15
б)-24+3х=9х+18

Answer 1

а)
4х-7=2х+15
4x - 2x = 15 + 7
2x = 22
x = 22 : 2
x = 11

б)
-24+3х=9х+18
3x - 9x = 18 + 24
-6x = 42
x = -42 : 6
x = -7