Solve for x
x = \frac{41}{2} = 20\frac{1}{2} = 20.5
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4+x+x=45
Subtract 1 from 5 to get 4.
4+2x=45
Combine x and x to get 2x.
2x=45-4
Subtract 4 from both sides.
2x=41
Subtract 4 from 45 to get 41.
x=\frac{41}{2}
Divide both sides by 2.
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