3,4х-4=4,8-х ; 2х+7=х+5,5; 5-3х=2х-8; 9,5х+2=5,7х-5,6 1,5х+8=3,1х+16 2,9х+7,4=х+17
1)3.4х-4=4.8-х 4.4х=8.8 х=0.5 2)2х+7=х+5.5 2х-х=5.5-7 х=-1.5 3) 5+8=5х х=0.3846153 4)9.5х+2 =5.7х-5.6 3.8х=-7.6 х=-0.5
5)1.5х+8=3.1х+16
1.5х-3.1х=16-8
х=-0.2
6)2.9х+7.4=х+17
1.9х=9.6
х=0.1979166
1) 3,4х - 4 = 4,8 - х 2) 2х +7 = х + 5,5 3) 5 - 3х = 2х - 8 3,4х + х = 4 + 4,8 2х - х = -7 +5,5 -3х - 2х = -5 - 8 4,4х = 8,8 х = -1,5 -5х = -13 х = 2 х = +2,6
4) 9,5х + 2 = 5,7х - 5,6 9,5х - 5,7х = -2 - 5,6 3,8х = -7,6 х = -2