5u-21u=(-2)

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Solution for 5u-21u=(-2) equation: 



5u-21u=(-2)

We move all terms to the left:

5u-21u-((-2))=0

We add all the numbers together, and all the variables

-16u+2=0

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

-16u=-2

u=-2/-16

u=1/8

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