(3/5+Х)-(14/30+1/5)=9/30 решить пример

Question

(3/5+Х)-(14/30+1/5)=9/30 решить пример

Answer 1

(3/5 + х) - ( 7/15 + 3/15) = 3/10
(3/5 + х) - 10/15 = 3/10
3/5 + х = 3/10 + 2/3
х = 9/30 + 20/30 - 18/30
х = 29/30 - 18/30 = 11/30