Solve for x
x=50
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80+2x=180
Add 40 and 40 to get 80.
2x=180-80
Subtract 80 from both sides.
2x=100
Subtract 80 from 180 to get 100.
x=\frac{100}{2}
Divide both sides by 2.
x=50
Divide 100 by 2 to get 50.
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