Solve for x
x = \frac{19}{2} = 9\frac{1}{2} = 9.5
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18+x+x+9=46
Add 9 and 9 to get 18.
18+2x+9=46
Combine x and x to get 2x.
27+2x=46
Add 18 and 9 to get 27.
2x=46-27
Subtract 27 from both sides.
2x=19
Subtract 27 from 46 to get 19.
x=\frac{19}{2}
Divide both sides by 2.
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