Solve for x
x=100000000y
Solve for y
y=\frac{x}{100000000}
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\frac{1}{100000000}x=y
Swap sides so that all variable terms are on the left hand side.
\frac{\frac{1}{100000000}x}{\frac{1}{100000000}}=\frac{y}{\frac{1}{100000000}}
Multiply both sides by 100000000.
x=\frac{y}{\frac{1}{100000000}}
Dividing by \frac{1}{100000000} undoes the multiplication by \frac{1}{100000000}.
x=100000000y
Divide y by \frac{1}{100000000} by multiplying y by the reciprocal of \frac{1}{100000000}.
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