u/3-12=30

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Solution for u/3-12=30 equation: 



u/3-12=30

We move all terms to the left:

u/3-12-(30)=0

We add all the numbers together, and all the variables

u/3-42=0

We multiply all the terms by the denominator


u-42*3=0

We add all the numbers together, and all the variables

u-126=0

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

u=126

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