-4.2=u/4+2.2

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Solution for -4.2=u/4+2.2 equation: 



-4.2=u/4+2.2

We move all terms to the left:

-4.2-(u/4+2.2)=0

We get rid of parentheses

-u/4-2.2-4.2=0

We multiply all the terms by the denominator


-u-(2.2)*4-(4.2)*4=0

We add all the numbers together, and all the variables

-1u-25.6=0

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

-u=25.6

u=25.6/-1

u=-25+0.6/1

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