Срочно 5x-12=2x+11. 5x+7=2x-3

Question

Срочно 5x-12=2x+11. 5x+7=2x-3

Answer 1

5х-2х=11+12
3х=23
х=23:3
х=23/3
х=7 2/3

5х-2х= -3-7
3х= -10
х= -10:3
х= -10/3
х= -3 1/3

Answer 2

Х=23/3, х=-10/3 ........