18+4+9=x

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Solution for 18+4+9=x equation:



18+4+9=x
We move all terms to the left:
18+4+9-(x)=0
We add all the numbers together, and all the variables
-1x+31=0
We move all terms containing x to the left, all other terms to the right
-x=-31
x=-31/-1
x=+31

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