2.5+x=81-81

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Solution for 2.5+x=81-81 equation: 



2.5+x=81-81

We move all terms to the left:

2.5+x-(81-81)=0

We add all the numbers together, and all the variables

x+2.5-0=0

We add all the numbers together, and all the variables

x+2.5=0

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

x=-2.5

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