1) 3x - 4 = 5x - 6 2) 7x - 2 = 8x + 4 3) 2(x - 3) = 3(x + 1) 4) -2(x + 6) = 5 * (x - 7)
3х-4=5х-6 3х+5х=-6+4 8х=-2 х=-0,25