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x+4-3+2x=3x+4-6-x
3x+1=2x-2
x=-3
b)-(3-x) + (2x+2)=-(1-2x)+(2x-15)
-3+x+2x+2=-1+2x+2x-15
3x-1=4x-16
x=15
x+4-3+2x = 3x+4-6-x
x+2x -3x+x = 4-6 -4 +3
x=-3
b). -(3-x) + (2x+2)=-(1-2x)+(2x-15)
-3+x+2x+2=-1+2x+2x-15
x+2x-2x-2x=-1-15-2+3
-x=-15/:(-1)
x=15
x+4-3+2x=3x+4-6-x
x+2x-3x+x=4-6-4+3
x=-3
b). -(3-x) + (2x+2)=-(1-2x)+(2x-15)
-3+x+2x+2=-1+2x+2x-15
x+2x-2x-2x=-1-15+3-2
-x=-15/x_1
x=15