Question

resolva por favor
$\frac{y-3}{4} -\frac{y-1}{5}=4$

46
136
19
91

Answer 1

5(y-3) - 4(y-1)=80
5y - 15 - 4(y -1)=80
5y - 15 - 4y + 4= 80
y - 15 + 4 = 80
y - 11= 80
y= 80 + 11
Y= 91