81=49-x

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Solution for 81=49-x equation: 



81=49-x

We move all terms to the left:

81-(49-x)=0

We add all the numbers together, and all the variables

-(-1x+49)+81=0

We get rid of parentheses

1x-49+81=0

We add all the numbers together, and all the variables

x+32=0

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

x=-32

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