Solve for x
x=15
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120x+600=100x+350+550
Use the distributive property to multiply 120 by x+5.
120x+600=100x+900
Add 350 and 550 to get 900.
120x+600-100x=900
Subtract 100x from both sides.
20x+600=900
Combine 120x and -100x to get 20x.
20x=900-600
Subtract 600 from both sides.
20x=300
Subtract 600 from 900 to get 300.
x=\frac{300}{20}
Divide both sides by 20.
x=15
Divide 300 by 20 to get 15.
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