u/8+4.2=-21.4

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Solution for u/8+4.2=-21.4 equation: 



u/8+4.2=-21.4

We move all terms to the left:

u/8+4.2-(-21.4)=0

We add all the numbers together, and all the variables

u/8+25.6=0

We multiply all the terms by the denominator


u+(25.6)*8=0

We add all the numbers together, and all the variables

u+204.8=0

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

u=-204.8

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