Solve for x
x=1
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x+15+4x=20
Add 4x to both sides.
5x+15=20
Combine x and 4x to get 5x.
5x=20-15
Subtract 15 from both sides.
5x=5
Subtract 15 from 20 to get 5.
x=\frac{5}{5}
Divide both sides by 5.
x=1
Divide 5 by 5 to get 1.
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