4(u+9)=8u-4

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Solution for 4(u+9)=8u-4 equation: 



4(u+9)=8u-4

We move all terms to the left:

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

We multiply parentheses

4u-(8u-4)+36=0

We get rid of parentheses

4u-8u+4+36=0

We add all the numbers together, and all the variables

-4u+40=0

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

-4u=-40

u=-40/-4

u=+10

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