Решите уравнение: 1) 35/х+5=7/15 2) 4х-2/63=2/9

Question

Решите уравнение:
1) 35/х+5=7/15
2) 4х-2/63=2/9

Answer 1

35/х+5=7/15
35/x=-68/15
x=-(35*15)/68
x=-7 целых 49/68

4х-2/63=2/9
4x=2/9+2/63
4x=14/63+2/63
4x=16/63
x=4/63

Answer 2

35/х+5=7/15
525+75х=7х
75х-7х=-525
68х=-525
х=-7 49/68

4х-2/63=2/9
4х=2/9+2/63
4х=16/63
х=16/63:4
х=4/63