5u-u-4u+u=7

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Solution for 5u-u-4u+u=7 equation: 



5u-u-4u+u=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

u-7=0

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

u=7

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