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3-2x+3x+4= -3+2x+5x+4
-2x+3x-2x-5x= -3+4-3-4
-6x=-6 /:(-6)
x=1
b) -(x+3)-(2x+8)=(-3-2x)+(2x+1)
-x-3-2x-8=-3-2x+2x+1
-x-2x-2x+2x=-3+1+8+3
-3x=9 /:(-3)
x=-3
-2x+3x-2x-5x=-3+4-3-4
-6x=-6/:(-6)
x=1
b)-x-3-2x-8=-3+2x+2x+1
-x-2x-2x-2x=-3+1+3+8
-7x=7/:(-7)
x= - 1
3-2x+3x+4=-3+2x+5x+4
7+x=1+7x
6=6x
x=1
b) -(x+3)-(2x+8)=(-3-2x)+(2x+1)
-3x-11=-2
-3x=9
x=-3
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