Question

0.4z-3 upon
1.5z+9=7/5​

Answer 1

Answer:

$\frac{.4y - 3}{1.5y + 9} = \frac{7}{5}$

5(.4y-3)=7(1.5y+9)

2y-15=10.5y+63

2y-10.5y=63+15

-8.5y=78

y=-78y/8.5