2.5-x-2=7

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Solution for 2.5-x-2=7 equation: 



2.5-x-2=7

We move all terms to the left:

2.5-x-2-(7)=0

We add all the numbers together, and all the variables

-1x-6.5=0

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

-x=6.5

x=6.5/-1

x=-6+0.5/1

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