x-(-9)=31

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Solution for x-(-9)=31 equation: 



x-(-9)=31

We move all terms to the left:

x-(-9)-(31)=0

determiningTheFunctionDomain
x-31-(-9)=0

We add all the numbers together, and all the variables

x-22=0

We move all terms containing x to the left, all other terms to the right

x=22

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