Solve for a
a=80
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26a+7000-35a=6280
Use the distributive property to multiply 200-a by 35.
-9a+7000=6280
Combine 26a and -35a to get -9a.
-9a=6280-7000
Subtract 7000 from both sides.
-9a=-720
Subtract 7000 from 6280 to get -720.
a=\frac{-720}{-9}
Divide both sides by -9.
a=80
Divide -720 by -9 to get 80.
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