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-x-2x-4x=-6+14-6
-7x=14|:-7
x=-2
b)-3x-18-12x-48=-8+2x+9x+72
-15x-2x-9x=64+18+48
-26x=130|:-26
x=-5
c)-8x-16+3x+15=-4x-6+8x-4
-5x+4x-8x=-10-15+16
-9x=-9|:-9
x=1
d)24-6x+10x-25=4x-4-12+3x
4x-4x-3x=-16-24+25
-3x=-15|:-3
x=5
a)9-3x+2x=8-2x+2
-x+2x=10-9
x=1
b)4x+5-3x-6=4+2x-4
x-2x=-5+6
-x=1|*(-1)
x=-1
c)4-15+5x=-x-3+2x
5x+x-2x=-3-4+15
4x=8|:2
x=4
d)x-7-2x=2x-2+1
-x-2x=-1+7
-3x=6|:_3
x=-2