Question

11/7(x-1)=8/5x 7/1*x+1/8*(560-x)=76 x=1/3*(1/4*(x+22)+22)各位高

Answer 1

11/7(x-1)=8/5x

55(x-1)=56x

56x-55x=-55

x=-55

1/7*x+1/8*(560-x)=76

1/7x+70-1/8x=76

1/56x=76-70

x=336

x=1/3*[1/4*(x+22)+22]

12x=x+22+88

12x-x=110

x=10