Question

Fill in the boxes plz. Thanks

Answer 1

Answer:

$z = \frac{5}{8}$

Step-by-step explanation:

$9z + (7z-4)=6 \\ 9z + 7z - 4 = 6 \\ 16z = 6 + 4 \\ 16z = 10 \\ z = \frac{10}{16} \\ \\ z = \frac{5}{8}$