X-1/6x-(2/5x-15)=67这方程咋解?

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答案和解析

X-1/6x-(2/5x-15)=67
x-1/6x-2/5x+15=67
x-1/6x-2/5x=67-15
13/30x=52
x=52÷13/30
x=120

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