badoo40

19.09.2020 07:11 •  Математика

1) -6х – 4 = -9х + 11 2) 6 – 5х = 2х +5
3) 5(2х + 4) = 6х – 10
4) 7(-3 + х) – 2х = -6
5) 2(х - 3) - 5 = 4х
6) -5 (7 – х) + 2х = -7
7) 9 + 3(1 – 2х) = 2(3х – 2)
8) 3 – 3(х + 2) = 5(1-х)