11×+4=3(1-2×)+1
-32×+18=20-30×
2(3×-7)+6=4×-3(2-2×)
(4×+)=7×-2
2×+3=×-9
-32×+18=20-30×
2(3×-7)+6=4×-3(2-2×)
(4×+)=7×-2
2×+3=×-9
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17x=0
x=0
2) -32x+18=20-30x
-32x+30x=2
-2x=2
x=-1
3) 6x-14+6=4x-6+6x
6x-8=10x-6
-2=4x
x=-2
4) 4x+ ?=7x-2
5) 2x+3=x-9
x=-12