1)39/57=13/8x-5
(8x-5)39=13*57
312x-195=741
312x=936
x=3
2)5х-6/9=70/45
(5х-6)45=9*70
225x-270=630
225x=900
x=4
1)39/57=13/8x-5
(8x-5)39=13*57
312x-195=741
312x=936
x=3
2)5х-6/9=70/45
(5х-6)45=9*70
225x-270=630
225x=900
x=4