Question

реши уравнения:(2/15+у)-7/30=1/10

Answer 1

(2/15+у)-7/30=1/10

4/30+y-7/30=1/10

y-3/30=1/10

y-1/10=1/10

y=2/10

y=1/5

Answer 2

2/15 = у= 1/3

у= 5/ 15- 2/15

у-0,2