1/2(7x-5)+1/3(5x-3)=3(2x+3)+4(3x-1)
1个回答
1/2(7x-5)+1/3(5x-3)=3(2x+3)+4(3x-1)
21x-16+10x-6=36x+54+72x-24
31x-108x=30+22
--77x=52
x=-52/77
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