x+(-81)=78

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Solution for x+(-81)=78 equation: 



x+(-81)=78

We move all terms to the left:

x+(-81)-(78)=0

determiningTheFunctionDomain
x-78+(-81)=0

We add all the numbers together, and all the variables

x-159=0

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

x=159

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