-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 get rid of parentheses

-u/8-8.6-4.2=0

We multiply all the terms by the denominator


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

We add all the numbers together, and all the variables

-1u-102.4=0

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

-u=102.4

u=102.4/-1

u=-102+0.4/1

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