Question

решите уравнения: 2у-2/5у=6 2/5; 3/5х-1/3х=6 1/4

Answer 1

2у-2/5у=6 2/5
10/5у-2/5у=32/5
8/5у=32/5
у=32/5:8/5
у=4

3/5х-1/3х=6 1/4
9/15х-5/15х=6 1/4
4/15х=25/4
х=25/4:4/15
х=375/16
х=23 7/16