3u+1=8u-4u-9

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Solution for 3u+1=8u-4u-9 equation: 



3u+1=8u-4u-9

We move all terms to the left:

3u+1-(8u-4u-9)=0

We add all the numbers together, and all the variables

3u-(4u-9)+1=0

We get rid of parentheses

3u-4u+9+1=0

We add all the numbers together, and all the variables

-1u+10=0

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

-u=-10

u=-10/-1

u=+10

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