4(x+3.6)=2.26*0.7x+3.6=2.26*7÷4x+3.6=3.955x=3.955-3.6x=0.355
解:4(X+3.6)=2.26×0.7 4X+14.4=1.582 X=-3,204
x+3.6=2.26*0.7/4x=2.26*0.7/4-3.6x=-3.2045