3/4 x-(3/4 -2x)= 1 1/2+x |*4
4*3/4 x-(4*3/4-4*2x)=1*4 1*4/2+4x
3x-(3-8x)=4+2+4x
3x-3+8x=6+4x
11x-3=6+4x
11x-4x=6+3
7x=9
x=9/7
x=1 2/7
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3/4 x-(3/4 -2x)= 1 1/2+x |*4
4*3/4 x-(4*3/4-4*2x)=1*4 1*4/2+4x
3x-(3-8x)=4+2+4x
3x-3+8x=6+4x
11x-3=6+4x
11x-4x=6+3
7x=9
x=9/7
x=1 2/7