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6x-8y=-45
Subtract 45 from both sides. Anything subtracted from zero gives its negation.
6x=-45+8y
Add 8y to both sides.
6x=8y-45
The equation is in standard form.
\frac{6x}{6}=\frac{8y-45}{6}
Divide both sides by 6.
x=\frac{8y-45}{6}
Dividing by 6 undoes the multiplication by 6.
x=\frac{4y}{3}-\frac{15}{2}
Divide -45+8y by 6.
45-8y=-6x
Subtract 6x from both sides. Anything subtracted from zero gives its negation.
-8y=-6x-45
Subtract 45 from both sides.
\frac{-8y}{-8}=\frac{-6x-45}{-8}
Divide both sides by -8.
y=\frac{-6x-45}{-8}
Dividing by -8 undoes the multiplication by -8.
y=\frac{3x}{4}+\frac{45}{8}
Divide -6x-45 by -8.