1/2d+7=4

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Solution for 1/2d+7=4 equation: 



1/2d+7=4

We move all terms to the left:

1/2d+7-(4)=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+3=0

We multiply all the terms by the denominator


3*2d+1=0

Wy multiply elements

6d+1=0

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

6d=-1

d=-1/6

d=-1/6

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