Решите уравнение: 1) 2х+17 = 22 + 3х 2) 3,4х-4 = 4,8-х 3) 2х+7=х+5,5 4) 5-3х = 2х-8 5) 9,5х+2 = 5,7х-5,6 6) 1,5х+8 = 3,1х+16 7) 2,9х+7,4 = х+1,7

1) 2х+17 = 22 + 3х 2х-3х=22-17 -х=5 х=-5 2) 3,4х-4 = 4,8-х 3.4х+х=4.8+4 4.4х=8.8 х=8.8:4.4 х=2 3) 2х+7=х+5,5 2х-х=5.5-7 х=-1.5 4) 5-3х = 2х-8 -3х-2х=-8-5 -5х=-13 х=-13:(-5) х=2.6 5) 9,5х+2 = 5,7х-5,6 9.5х-5.7х=-5.6-2 3.8х=-7.6 х=-7.6:3.8 х=-2 6) 1,5х+8 = 3,1х+16 1.5х-3.1х=16-8 -1.6х=8 х=8:(-1.6) х=-5 7) 2,9х+7,4 = х+1,7 2.9х-х=1.7-7.4 1.9х=-5.7 х=-5.7:(1.9) х=-3