Х+1/8х=3/4 2у-2/5у=6 2/5

Question

Х+1/8х=3/4 2у-2/5у=6 2/5

Answer 1

Х+1/8х=3/4
8+1/8х = 3/4
9/8х = 3/4
х = 3/4:9/8
х = 3/4*8/9
х = 2/3

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