Question

Resolva a equação fracionária, sendo x ≠ 0:
3/x + 2/5 = 3/4

Answer 1

3/x + 2/5 = 3/4
3/x = 3/4 - 2/5

tirando Mac entre 4 e 5
20

3/x = 15/ 20 - 8/ 20
3/x = 7/20
7x= 60
x= 60/7