7u/3=-21

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Solution for 7u/3=-21 equation: 



7u/3=-21

We move all terms to the left:

7u/3-(-21)=0

We add all the numbers together, and all the variables

7u/3+21=0

We multiply all the terms by the denominator


7u+21*3=0

We add all the numbers together, and all the variables

7u+63=0

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

7u=-63

u=-63/7

u=-9

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