4.2+u/8=-8.6

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



4.2+u/8=-8.6

We move all terms to the left:

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

We add all the numbers together, and all the variables

u/8+12.8=0

We multiply all the terms by the denominator


u+(12.8)*8=0

We add all the numbers together, and all the variables

u+102.4=0

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

u=-102.4

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