Solve for x
x=18
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120x+880-80x=1600
Use the distributive property to multiply 80 by 11-x.
40x+880=1600
Combine 120x and -80x to get 40x.
40x=1600-880
Subtract 880 from both sides.
40x=720
Subtract 880 from 1600 to get 720.
x=\frac{720}{40}
Divide both sides by 40.
x=18
Divide 720 by 40 to get 18.
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