Solve for x
x=\frac{X-100000}{120000}
Solve for X
X=120000x+100000
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120000x+100000=X
Swap sides so that all variable terms are on the left hand side.
120000x=X-100000
Subtract 100000 from both sides.
\frac{120000x}{120000}=\frac{X-100000}{120000}
Divide both sides by 120000.
x=\frac{X-100000}{120000}
Dividing by 120000 undoes the multiplication by 120000.
x=\frac{X}{120000}-\frac{5}{6}
Divide X-100000 by 120000.
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