Solve for x
x=\frac{4y}{13}
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3x-y+10x=3y
Add 10x to both sides.
13x-y=3y
Combine 3x and 10x to get 13x.
13x=3y+y
Add y to both sides.
13x=4y
Combine 3y and y to get 4y.
\frac{13x}{13}=\frac{4y}{13}
Divide both sides by 13.
x=\frac{4y}{13}
Dividing by 13 undoes the multiplication by 13.
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