\{ 9 x - 3 y = 9
Solve for x
x=\frac{y+3}{3}
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9x=9+3y
Add 3y to both sides.
9x=3y+9
The equation is in standard form.
\frac{9x}{9}=\frac{3y+9}{9}
Divide both sides by 9.
x=\frac{3y+9}{9}
Dividing by 9 undoes the multiplication by 9.
x=\frac{y}{3}+1
Divide 9+3y by 9.
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