-u-7u+2=66

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Solution for -u-7u+2=66 equation: 



-u-7u+2=66

We move all terms to the left:

-u-7u+2-(66)=0

We add all the numbers together, and all the variables

-8u-64=0

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

-8u=64

u=64/-8

u=-8

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