-7u=-2-9u

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Solution for -7u=-2-9u equation: 



-7u=-2-9u

We move all terms to the left:

-7u-(-2-9u)=0

We add all the numbers together, and all the variables

-7u-(-9u-2)=0

We get rid of parentheses

-7u+9u+2=0

We add all the numbers together, and all the variables

2u+2=0

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

2u=-2

u=-2/2

u=-1

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