Solve for x
x=180
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200+x=2x+20
Multiply both sides of the equation by 2.
200+x-2x=20
Subtract 2x from both sides.
200-x=20
Combine x and -2x to get -x.
-x=20-200
Subtract 200 from both sides.
-x=-180
Subtract 200 from 20 to get -180.
x=180
Multiply both sides by -1.
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