2(3×+1)-5×=7/2-2(2×+7)
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2(3x+1)-5x=7/2-2(2x+7)
6x+2-5x=7/2-4x+14
x+2=7/2-4x+14
x+4x+2=7/2+14
5x=7/2+14-2
5x=7/2+12
5x=15.5
x=15.5/5
x=3.1
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