Solve for x
x = \frac{15}{2} = 7\frac{1}{2} = 7.5
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x+5+x=20
Add x to both sides.
2x+5=20
Combine x and x to get 2x.
2x=20-5
Subtract 5 from both sides.
2x=15
Subtract 5 from 20 to get 15.
x=\frac{15}{2}
Divide both sides by 2.
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