-19=7-4u

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Solution for -19=7-4u equation: 



-19=7-4u

We move all terms to the left:

-19-(7-4u)=0

We add all the numbers together, and all the variables

-(-4u+7)-19=0

We get rid of parentheses

4u-7-19=0

We add all the numbers together, and all the variables

4u-26=0

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

4u=26

u=26/4

u=6+1/2

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