Solve for x
x=9
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2x+2=20
Combine x and x to get 2x.
2x=20-2
Subtract 2 from both sides.
2x=18
Subtract 2 from 20 to get 18.
x=\frac{18}{2}
Divide both sides by 2.
x=9
Divide 18 by 2 to get 9.
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