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2x+3x=-50
x=-10
-3b-9=21
b=-10
4(x-3)=20
x=8
5x+2=3x-6
x=-4
4b+6b-b=-6-30
b=-4
-9-12=5z-3-4z+8z
z=-2
3(2x-5)-2(8x-4)=23
x=-3
4x-2(3x-7)=5x-7
x=3
18 -(-2y-7)+8y=45
y=2
24+(x-8)= -4-(x-14)
x=-3
6b-b-9+5+3b=12b+6-2b+2
b=2
-4(3x+1)+5(x-1)=12
x=-3
5(x-8)-10(3-x)=7(x-2)
x=7
8(3-2x)=3(4x+2)+46
x=-1
8(x-7)=10+3(2x+2)
x=36
23-3(8-x)+2(5x+7)=0
x=-1
4(x-5)-3(x+5)=36-5(x+1)
x=11
2(-2x-5)-3(1-4x)=7(x+1)
x=20
5y+3(10-2y)=26-2(10-y)
y=8
-(5z+3)+3(3z-5)=8z -(11z+80)+62
z=0