7-(2u+4)=7u-5

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Solution for 7-(2u+4)=7u-5 equation: 



7-(2u+4)=7u-5

We move all terms to the left:

7-(2u+4)-(7u-5)=0

We get rid of parentheses

-2u-7u-4+5+7=0

We add all the numbers together, and all the variables

-9u+8=0

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

-9u=-8

u=-8/-9

u=8/9

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