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7x+2+4x=5x+32

3x/2+2x/3=1+3x/2

2x+2-3x+5=3+2

x-3=x-3

5x/3-(x/3+x)=-x

12x+5=41

2-(3-2(x+1))=3x+2(x-(3+2x))

3x+1=3-(2-2x)

5(2+x)=2x +31

3x-2-3(-1+2x)=2-2(x-1)

2

3

0

-7

x ∈ R

3

3/4

7

-3

5