4.2+x=-2.8

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Solution for 4.2+x=-2.8 equation: 



4.2+x=-2.8

We move all terms to the left:

4.2+x-(-2.8)=0

We add all the numbers together, and all the variables

x+7=0

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

x=-7

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