7-5x=x-2 5x+x=-7+2 6x=-5
1) 7-5х=х-2 -5х-х=-2-7 -6х=-9 х=-9/-6 х=1.5 2) 5х+х=-7+2 6х=5 х=5/6 3) 6х=-5 х=-5-6 х=-11