81-2x=180

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Solution for 81-2x=180 equation: 



81-2x=180

We move all terms to the left:

81-2x-(180)=0

We add all the numbers together, and all the variables

-2x-99=0

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

-2x=99

x=99/-2

x=-49+1/2

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