-3-2u=-4u+8u+9

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Solution for -3-2u=-4u+8u+9 equation: 



-3-2u=-4u+8u+9

We move all terms to the left:

-3-2u-(-4u+8u+9)=0

We add all the numbers together, and all the variables

-2u-(4u+9)-3=0

We get rid of parentheses

-2u-4u-9-3=0

We add all the numbers together, and all the variables

-6u-12=0

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

-6u=12

u=12/-6

u=-2

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