4/d=28

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Solution for 4/d=28 equation:



4/d=28
We move all terms to the left:
4/d-(28)=0
Domain of the equation: d!=0
d∈R
We multiply all the terms by the denominator
-28*d+4=0
We add all the numbers together, and all the variables
-28d+4=0
We move all terms containing d to the left, all other terms to the right
-28d=-4
d=-4/-28
d=1/7

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