Solve for x
x = \frac{102}{5} = 20\frac{2}{5} = 20.4
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3+5x+15=120
Use the distributive property to multiply 5 by x+3.
18+5x=120
Add 3 and 15 to get 18.
5x=120-18
Subtract 18 from both sides.
5x=102
Subtract 18 from 120 to get 102.
x=\frac{102}{5}
Divide both sides by 5.
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