x = -2
Пошаговое объяснение:
3х-(-2х+4)=-2х+3(х-4)
3x + 2x - 4 = -2x + 3x - 12
3x + 2x + 2x - 3x = 4 - 12
4x = - 8
x = -8 : 4
х=-2
3х+2х-4=-2х+3х-12
3х+2х+2х-3х=-12+4
4х=-8
х=-8:4
