问题标题:
【解方程(x÷3/4)-(3/4x+3)=53】
问题描述:
解方程(x÷3/4)-(3/4x+3)=53
孙岗回答:
(x÷3/4)-(3/4x+3)=53
(x*4/3)-(3/4x+3)=53
4/3x-3/4x-3=53
16/12x-9/12x-3=53
5/12x-3=53
5/12x=53+3
5/12x=56
x=56÷5/12
x=56*12/5
x=672/2
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