Solve for x
x=\frac{y}{25}
Solve for y
y=25x
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y=25x
Combine 10x and 15x to get 25x.
25x=y
Swap sides so that all variable terms are on the left hand side.
\frac{25x}{25}=\frac{y}{25}
Divide both sides by 25.
x=\frac{y}{25}
Dividing by 25 undoes the multiplication by 25.
y=25x
Combine 10x and 15x to get 25x.
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