Solve for T
T=\frac{W-700}{30}
Solve for W
W=30T+700
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30T=W-700
Subtract 700 from both sides.
\frac{30T}{30}=\frac{W-700}{30}
Divide both sides by 30.
T=\frac{W-700}{30}
Dividing by 30 undoes the multiplication by 30.
T=\frac{W}{30}-\frac{70}{3}
Divide W-700 by 30.
W=700+30T
Swap sides so that all variable terms are on the left hand side.
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