Solve for x
x = \frac{33}{2} = 16\frac{1}{2} = 16.5
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2x-13=20
Combine x and x to get 2x.
2x=20+13
Add 13 to both sides.
2x=33
Add 20 and 13 to get 33.
x=\frac{33}{2}
Divide both sides by 2.
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