Question

помогите решить 14 задание ​

Answer 1

$\frac{xy+3y}{5x+15} =\frac{y(x+3)}{5(x+3)} =\frac{y}{5}$

$x=7;y=6\\\\\frac{6}{5} =1.2\\\\Otvet:1.2$

Answer 2

y(x+3)/5(x+3)=y/5=6/5=1,2