How do I put this in standard form. Ax+By=C

3x - 4y = 18
multiply all terms in the equation by the lowest common multiple of 2 and 3, the denominators of the fractions. The lowest common multiple is 6
6 × [tex]\frac{1}{2}[/tex] x - 6 × [tex]\frac{2}{3}[/tex] y = 6 × 3
3x - 4y = 18 ' in standard form '