Answer:
\(y=\frac{a}{(9+3x)}\)
Step-by-step explanation:
we have
\(a=9y+3yx\)
Solve for y
That means -----> isolate the variable y
Step 1
Factor the variable y in the right side
\(a=y(9+3x)\)
Step 2
Divide by \((9+3x)\) both sides
\(a/(9+3x)=y(9+3x)/(9+3x)\)
Step 3
Simplify
\(y=\frac{a}{(9+3x)}\)
