5х+1)/3=(1+8х)/5
5(5х+1)=3(1+8х)
25х+5=3+24х
25х-24х=3-5
х=-2
(5х+8)/3+(11х-1)/6=-1
2(5х+8)+11х-1=6•(-1)
10х+16+11х-1=-6
21х=-21
х=-1
(4х+9)/5-(4+3х)/2=4
2(4х+9)-5(4+3х)=40
8х+18-20-15х=40
-7х=42
х= -6
2(4х-5)-7(9х-25)=0
8х-10-63х+175=0
-55х=-165
х=3