1/7(x - 23/10) = 5/14
1/7(10x/10 - 23/10) = 5/14
10x/70 - 23/70 = 5/14 - aducem la acelasi numitor ... 70 ....si eliminam numitorul prin inmultire cu el insusi
10x/70 - 23/70 = 25/70
10x - 23 = 25
10x = 25 + 23
10x = 48
x= 48/10= simplificam cu 2 = 24/5
x= 4,8