Solve for x
x = \frac{139}{2} = 69\frac{1}{2} = 69.5
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2x+30=169
Combine x and x to get 2x.
2x=169-30
Subtract 30 from both sides.
2x=139
Subtract 30 from 169 to get 139.
x=\frac{139}{2}
Divide both sides by 2.
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