7u=-5u-12

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Solution for 7u=-5u-12 equation: 



7u=-5u-12

We move all terms to the left:

7u-(-5u-12)=0

We get rid of parentheses

7u+5u+12=0

We add all the numbers together, and all the variables

12u+12=0

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

12u=-12

u=-12/12

u=-1

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