Solve for x
x=20
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2x-4-27=9
Combine x and x to get 2x.
2x-31=9
Subtract 27 from -4 to get -31.
2x=9+31
Add 31 to both sides.
2x=40
Add 9 and 31 to get 40.
x=\frac{40}{2}
Divide both sides by 2.
x=20
Divide 40 by 2 to get 20.
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