Question

Resuelve (s/4) + 5 = 8
s= ​

Answer 1

$\frac{s}{4} + 5 = 8 \\ 4( \frac{s}{4} + 5 ) = 4 \times 8 \\ s + 20 =32 \\ s = 32 - 20 \\ s = 12$