\{ 45 x = 90 y
Solve for x
x=2y
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45x=90y
The equation is in standard form.
\frac{45x}{45}=\frac{90y}{45}
Divide both sides by 45.
x=\frac{90y}{45}
Dividing by 45 undoes the multiplication by 45.
x=2y
Divide 90y by 45.
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