-4.2=(u/4)+8.6

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Solution for -4.2=(u/4)+8.6 equation: 



-4.2=(u/4)+8.6

We move all terms to the left:

-4.2-((u/4)+8.6)=0

We add all the numbers together, and all the variables

-((+u/4)+8.6)-4.2=0

We multiply all the terms by the denominator


-((+u-(4.2)*4)+8.6)=0



We calculate terms in parentheses: -((+u-(4.2)*4)+8.6), so:

(+u-(4.2)*4)+8.6



We calculate terms in parentheses: +(+u-(4.2)*4), so:

+u-(4.2)*4

determiningTheFunctionDomain
u-(4.2)*4

We add all the numbers together, and all the variables

u-16.8

Back to the equation:

+(u-16.8)



We get rid of parentheses

u-16.8+8.6

We add all the numbers together, and all the variables

u-8.2

Back to the equation:

-(u-8.2)



We get rid of parentheses

-u+8.2=0

We add all the numbers together, and all the variables

-1u+8.2=0

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

-u=-8.2

u=-8.2/-1

u=8+0.2/1

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