-7u-2=-9u+8

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Solution for -7u-2=-9u+8 equation: 



-7u-2=-9u+8

We move all terms to the left:

-7u-2-(-9u+8)=0

We get rid of parentheses

-7u+9u-8-2=0

We add all the numbers together, and all the variables

2u-10=0

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

2u=10

u=10/2

u=5

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