Question

1. z/(z+15)=4/9. find z.
Your answer​

Answer 1

Answer:

$\frac{z}{z + 15} = \frac{4}{9} \\ \\ = > 4(z + 15) = 9z \\ \\ = > 4z + 60 = 9z \\ \\ = > 4z - 9z = - 60 \\ \\ = > - 5z = - 60 \\ \\ = > 5z = 60 \\ \\ ( - \: and \: - \: cancelled) \\ \\ = > z = \frac{60}{5} \\ \\ = > z = 12$

hope it helps uH ✔

Answer 2

Step-by-step explanation:

plz ,mark me as brainliest answer.