6(2x+3)-4(x-2)=5(x-1)-(3-4)
6×(2х+3)-4×(х-2)=5×(х-1) - (3-4) 12х +18 - 4х +8 = 5х -5 -3+4 12х -4х -5х = -5-3+4-18-8 3х = -30 Х = -30 ÷ 3 Х = - 10
12x+18-4x+8=5x-5-3-4 12x-4x-5x=-18-8-5-3-4 3x=-35 x=11.6