3(х+2)+2(х-1)=4(х+5)
3x + 6 + 2x - 2 = 4x + 20
5x + 4 = 4x + 20
5x - 4x = 20 - 4
x = 16
3х+6+2х-2=4х+20
3х-2х-4х=6+2-20
-3х=-12
х=-12/-3
х=4
3(х+2)+2(х-1)=4(х+5)
3x + 6 + 2x - 2 = 4x + 20
5x + 4 = 4x + 20
5x - 4x = 20 - 4
x = 16
3(х+2)+2(х-1)=4(х+5)
3х+6+2х-2=4х+20
3х-2х-4х=6+2-20
-3х=-12
х=-12/-3
х=4