Question

me ajudem por favor... 2(y+5=y sobre dois +25

Answer 1

$2(y+5)= \frac{y}{2} +25 \\ \\ 2y+10=\frac{y}{2} +25 \\ \\ 2y-\frac{y}{2}= 25-10 \\ \\ \frac{3}{2} y=15 \\ \\ y= \frac{15}{ \frac{3}{2}} \\ \\ y= \frac{2*15}{3}\\ \\ y= \frac{30}{3} \\ \\ y=10$