4/5d+3=-21/5d

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Solution for 4/5d+3=-21/5d equation: 



4/5d+3=-21/5d

We move all terms to the left:

4/5d+3-(-21/5d)=0



Domain of the equation: 5d!=0

d!=0/5

d!=0

d∈R





Domain of the equation: 5d)!=0

d!=0/1

d!=0

d∈R



We get rid of parentheses

4/5d+21/5d+3=0

We multiply all the terms by the denominator


3*5d+4+21=0

We add all the numbers together, and all the variables

3*5d+25=0

Wy multiply elements

15d+25=0

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

15d=-25

d=-25/15

d=-1+2/3

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