Решите уравнения:3х-36=5х-32; 6х+12=4х-45; 2.9х-4.7=4.9х-8.9

Question

Решите уравнения:
3х-36=5х-32; 6х+12=4х-45; 2.9х-4.7=4.9х-8.9

Answer 1

3х-36=5х-32
-2х=4
х=-2

6х+12=4х-45
2х=-57
х=-28.5

2.9х-4.7=4.9х-8.9
-2х=-4.2
х=2.1