12.1+u/7=-5.4

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Solution for 12.1+u/7=-5.4 equation: 



12.1+u/7=-5.4

We move all terms to the left:

12.1+u/7-(-5.4)=0

We add all the numbers together, and all the variables

u/7+17.5=0

We multiply all the terms by the denominator


u+(17.5)*7=0

We add all the numbers together, and all the variables

u+122.5=0

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

u=-122.5

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