-4.2+x=8.6

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Solution for -4.2+x=8.6 equation: 



-4.2+x=8.6

We move all terms to the left:

-4.2+x-(8.6)=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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