-4x*(-2)+3x=18 х+5:7-3=2х-1:4
-4x*(-2)+3x=18 8x + 3x = 18 11x = 18 x = 1 7/11 x + 5/7 - 3 = 2x - 1/4 x = 5/7 - 3 + 1/4 x = - 2 1/28