(1)2x-2/3(x+3)=-x+3(2)(5y+4)/3+(y-1)/4=2-(5y-5)/12(3)(x+24)*2又5/6=3(x-24)(4)1/7.5+1/5+1/5(x-1)=1(5)0.9(1+x)=1*1请写出过程
