Question

Решите уравнения: у+2/7=1/3; х-1/6=7/9; у-3/8=5/3; у+2/5=1/2.

Answer 1

у+2/7=1/3
у=1/3-2/7
у=1/21

х-1/6=7/9
х=7/9+1/6
х=17/18

у-3/8=5/3
у=5/3+3/8
у=49/24=2 1/24

у+2/5=1/2
у=1/2-2/5
у=1/10