-8.6=x/8+4.2

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Solution for -8.6=x/8+4.2 equation: 



-8.6=x/8+4.2

We move all terms to the left:

-8.6-(x/8+4.2)=0

We get rid of parentheses

-x/8-4.2-8.6=0

We multiply all the terms by the denominator


-x-(4.2)*8-(8.6)*8=0

We add all the numbers together, and all the variables

-1x-102.4=0

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

-x=102.4

x=102.4/-1

x=-102+0.40000000000001/1

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