Solve for x
x=\frac{y}{2000000}
Solve for y
y=2000000x
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2000000x=y
Swap sides so that all variable terms are on the left hand side.
\frac{2000000x}{2000000}=\frac{y}{2000000}
Divide both sides by 2000000.
x=\frac{y}{2000000}
Dividing by 2000000 undoes the multiplication by 2000000.
Examples
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Matrix
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Simultaneous equation
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Limits
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