Solve for x
x=840
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5x-100+900=5000
Combine 2x and 3x to get 5x.
5x+800=5000
Add -100 and 900 to get 800.
5x=5000-800
Subtract 800 from both sides.
5x=4200
Subtract 800 from 5000 to get 4200.
x=\frac{4200}{5}
Divide both sides by 5.
x=840
Divide 4200 by 5 to get 840.
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