[(170-x)*1/2+3]*(1-3/4)-2=34-x
问题描述:
[(170-x)*1/2+3]*(1-3/4)-2=34-x
答
[(170-x)*1/2+3]*(1-3/4)-2=34-x
[88-1/2x]1/4=36-x
22-1/8x=36-x
7/8x=14
x=16