1)4х-2*(2,4x-1,6)=-4, 4x-4,8x+3,2=-4, -0,8x=-7,2, x=9
2)-4x=28, x=28/(-4)=-7
4) 3x-6=x+2, 2x=8, x=4
5) 5-2x+2=4-x, -2x+x=4-7, -x=-3, x=3
8)1,4-0,4y=2,3-0,3y+1,8, -0,4y+0,3y=4,1-1,4, -0,1y=2,7, y=-27
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Answers & Comments
4х-4,8+3,2=-4
-0,8х=-7,2
Х=9
Інші на фото
1)4х-2*(2,4x-1,6)=-4, 4x-4,8x+3,2=-4, -0,8x=-7,2, x=9
2)-4x=28, x=28/(-4)=-7
4) 3x-6=x+2, 2x=8, x=4
5) 5-2x+2=4-x, -2x+x=4-7, -x=-3, x=3
8)1,4-0,4y=2,3-0,3y+1,8, -0,4y+0,3y=4,1-1,4, -0,1y=2,7, y=-27