u/3-12=-9

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Solution for u/3-12=-9 equation: 



u/3-12=-9

We move all terms to the left:

u/3-12-(-9)=0

We add all the numbers together, and all the variables

u/3-3=0

We multiply all the terms by the denominator


u-3*3=0

We add all the numbers together, and all the variables

u-9=0

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

u=9

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