-15.4=u/7+2.1

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Solution for -15.4=u/7+2.1 equation: 



-15.4=u/7+2.1

We move all terms to the left:

-15.4-(u/7+2.1)=0

We get rid of parentheses

-u/7-2.1-15.4=0

We multiply all the terms by the denominator


-u-(2.1)*7-(15.4)*7=0

We add all the numbers together, and all the variables

-1u-122.5=0

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

-u=122.5

u=122.5/-1

u=-122+0.5/1

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