3.4+x=(-7.8)

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Solution for 3.4+x=(-7.8) equation: 



3.4+x=(-7.8)

We move all terms to the left:

3.4+x-((-7.8))=0

We add all the numbers together, and all the variables

x+11.2=0

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

x=-11.2

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