Solve for x
x=27.375
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40x+120x-780=3600
Use the distributive property to multiply 120 by x-6.5.
160x-780=3600
Combine 40x and 120x to get 160x.
160x=3600+780
Add 780 to both sides.
160x=4380
Add 3600 and 780 to get 4380.
x=\frac{4380}{160}
Divide both sides by 160.
x=\frac{219}{8}
Reduce the fraction \frac{4380}{160} to lowest terms by extracting and canceling out 20.
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