8.6+x=-4.2

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Solution for 8.6+x=-4.2 equation: 



8.6+x=-4.2

We move all terms to the left:

8.6+x-(-4.2)=0

We add all the numbers together, and all the variables

x+12.8=0

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

x=-12.8

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