Решите уравнения:
2х-3 / 4 - 3х = х+1 / 2 I*4 2х-3-3х*4 = 2(х+1) 2х-3-12х = 2х+2 -12х = 2+3 -12х = 5 х = 5: (-12) х = -5/12
(2x-3)/4 - 3x = (x+1)/2 /.4 (2x-3) -12x = 2(x+1) 2x-3-12x=2x+2 -10x-3=2x+2 -10x-2x=2+3 -12x=5 x=-5/12