1)18-0,2(3х-70)=х 2) 3/4х=-8
18-0.6х+14=х х+0.6х=32 1.6х=32 х=32÷1.6 х=20 3/4х=-8 х=-8÷3/4 х=-8×4/3 х=-32/3=-10 2/3
3/4x=-8 0,75x=-8 X=-10 2/3 18-0,2(3x-70)=x 18-0,6x+14=x -0,6x-x=-18-14 -1,6x=-32 X=20