\[9x-8y=36\]

Solving for x. Want to solve for y instead?
1
Add 8y8y to both sides.
9x=36+8y9x=36+8y

2
Divide both sides by 99.
x=36+8y9x=\frac{36+8y}{9}

3
Factor out the common term 44.
x=4(9+2y)9x=\frac{4(9+2y)}{9}

Done

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