3+u/2=7

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Solution for 3+u/2=7 equation: 



3+u/2=7

We move all terms to the left:

3+u/2-(7)=0

We add all the numbers together, and all the variables

u/2-4=0

We multiply all the terms by the denominator


u-4*2=0

We add all the numbers together, and all the variables

u-8=0

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

u=8

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