2.1+7.8=v

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Solution for 2.1+7.8=v equation: 



2.1+7.8=v

We move all terms to the left:

2.1+7.8-(v)=0

We add all the numbers together, and all the variables

-1v+9.9=0

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

-v=-9.9

v=-9.9/-1

v=9+0.9/1

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