Solve for x
x=10
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300+20x+5x=550
Add 5x to both sides.
300+25x=550
Combine 20x and 5x to get 25x.
25x=550-300
Subtract 300 from both sides.
25x=250
Subtract 300 from 550 to get 250.
x=\frac{250}{25}
Divide both sides by 25.
x=10
Divide 250 by 25 to get 10.
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