1/2d+3=7

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Solution for 1/2d+3=7 equation: 



1/2d+3=7

We move all terms to the left:

1/2d+3-(7)=0



Domain of the equation: 2d!=0

d!=0/2

d!=0

d∈R



We add all the numbers together, and all the variables

1/2d-4=0

We multiply all the terms by the denominator


-4*2d+1=0

Wy multiply elements

-8d+1=0

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

-8d=-1

d=-1/-8

d=1/8

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