(x-1)/0.36-(0.5x+1)/0.3=125(x-1)/9-(5x+10)/3=125(x-1)-3(5x+10)=925x-25-15x-30=910x=64x=6.4
朋友先加个括号先
6.4
(X-1)/0.36-(0.5x+1)/0.3=1;x=6.4