Question

уравнения X/4=5  105/y=7  x+12/6=14  на дроби 

Answer 1

x/4=5
x=5*4
x=20

105/y=7
y=105/7
y=15

(x+12)/6=14
x+12=14*6
x+12=84
x=84-12
x=72