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15\sqrt{3}+30+\sqrt{3}y=3\sqrt{3}\left(y-5\right)
Multiply both sides of the equation by 3.
15\sqrt{3}+30+\sqrt{3}y=3\sqrt{3}y-15\sqrt{3}
Use the distributive property to multiply 3\sqrt{3} by y-5.
15\sqrt{3}+30+\sqrt{3}y-3\sqrt{3}y=-15\sqrt{3}
Subtract 3\sqrt{3}y from both sides.
15\sqrt{3}+30-2\sqrt{3}y=-15\sqrt{3}
Combine \sqrt{3}y and -3\sqrt{3}y to get -2\sqrt{3}y.
30-2\sqrt{3}y=-15\sqrt{3}-15\sqrt{3}
Subtract 15\sqrt{3} from both sides.
30-2\sqrt{3}y=-30\sqrt{3}
Combine -15\sqrt{3} and -15\sqrt{3} to get -30\sqrt{3}.
-2\sqrt{3}y=-30\sqrt{3}-30
Subtract 30 from both sides.
\left(-2\sqrt{3}\right)y=-30\sqrt{3}-30
The equation is in standard form.
\frac{\left(-2\sqrt{3}\right)y}{-2\sqrt{3}}=\frac{-30\sqrt{3}-30}{-2\sqrt{3}}
Divide both sides by -2\sqrt{3}.
y=\frac{-30\sqrt{3}-30}{-2\sqrt{3}}
Dividing by -2\sqrt{3} undoes the multiplication by -2\sqrt{3}.
y=5\sqrt{3}+15
Divide -30\sqrt{3}-30 by -2\sqrt{3}.