4(x+3) = 5(x-2)
4x + 12 = 10x - 10
22 = 6x
x = 11\3
б) -2(х-5) +3(х-4) = 4х+1
-2х + 10 + 3х + 12 = 4х + 1
21 = 3х
х = 7
в) 3(х-1) = 2(х+2)
3х - 3 = 2х + 4
х = 7
4.8)))
(х+4)/5 = 1
х+4 = 5
х = 1
б) (2х-3)/3 = -5
2х-3 = -15
х = -6
в) (х-7)/3 = -2
х-7=-6
х = 1