1) 2,4x+7=-3+2,3x
2,4x-2,3x=-3-7
0,1x=-10
x=-10/0,1
х=-100
2) 9-(8x-11)=-12
9-8x+11=-12
-8x=-12-9-11
-8x=-32
x=-32/-8
х=4
3) 4(2x-5)-x=3x+8
8x-20-x=3x+8
8x-x-3x=8+20
4x=28
x=28/4
х=7
1) 2,4x+7=-3+2,3x
2,4x-2,3x=-3-7
0,1x=-10
x=-10/0,1
х=-100
2) 9-(8x-11)=-12
9-8x+11=-12
-8x=-12-9-11
-8x=-32
x=-32/-8
х=4
3) 4(2x-5)-x=3x+8
8x-20-x=3x+8
8x-x-3x=8+20
4x=28
x=28/4
х=7