7u/2=-21

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Solution for 7u/2=-21 equation: 



7u/2=-21

We move all terms to the left:

7u/2-(-21)=0

We add all the numbers together, and all the variables

7u/2+21=0

We multiply all the terms by the denominator


7u+21*2=0

We add all the numbers together, and all the variables

7u+42=0

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

7u=-42

u=-42/7

u=-6

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