d/2+9=12

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Solution for d/2+9=12 equation: 



d/2+9=12

We move all terms to the left:

d/2+9-(12)=0

We add all the numbers together, and all the variables

d/2-3=0

We multiply all the terms by the denominator


d-3*2=0

We add all the numbers together, and all the variables

d-6=0

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

d=6

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