# How do you solve 3+4(z+5)=31?

We have, $3 + 4 \left(z + 5\right) = 31$
Or, $3 + 20 + 4 z = 31$
or, $4 z = 31 - 23$
$z = 8 / 4$
Thus, $z$ comes out to be $2$.