Решите уравнения.
3(5х – 7) – 7(4х + 5) = х
6(2х – 3) – 3х = 2х – 4
28 – 4(3х + 2) = 5(2х – 7)
6х – 6(2х + 5) = 4(5х – 1)
4(3х + 5) – 5(4х – 3) = 3
2х – 5 = 7(3х + 4) + 5
2,5
-4
4
-2
-1
2