4(2x-1)-3(5x+2)=3(2-x)怎样算?
1个回答
4(2x-1)-3(5x+2)=3(x-2)
8x-4-15x-6=3x-6
8x-15x-10=3x-6
-7x-10=3x-6
4x=-16
x=-4
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