3(u-3)-7u=-13

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Solution for 3(u-3)-7u=-13 equation: 



3(u-3)-7u=-13

We move all terms to the left:

3(u-3)-7u-(-13)=0

We add all the numbers together, and all the variables

-7u+3(u-3)+13=0

We multiply parentheses

-7u+3u-9+13=0

We add all the numbers together, and all the variables

-4u+4=0

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

-4u=-4

u=-4/-4

u=1

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