-21.3=u/8+4.3

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Solution for -21.3=u/8+4.3 equation: 



-21.3=u/8+4.3

We move all terms to the left:

-21.3-(u/8+4.3)=0

We get rid of parentheses

-u/8-4.3-21.3=0

We multiply all the terms by the denominator


-u-(4.3)*8-(21.3)*8=0

We add all the numbers together, and all the variables

-1u-204.8=0

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

-u=204.8

u=204.8/-1

u=-204+0.80000000000001/1

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