8-d/2d-1=4/7

Solution for 8-d/2d-1=4/7 equation:

8-d/2d-1=4/7

We move all terms to the left:

8-d/2d-1-(4/7)=0


Domain of the equation: 2d!=0

d!=0/2

d!=0

d∈R


We add all the numbers together, and all the variables

-d/2d+8-1-(+4/7)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-d/2d+7-4/7=0

We calculate fractions


(-7d)/14d+(-8d)/14d+7=0

We multiply all the terms by the denominator


(-7d)+(-8d)+7*14d=0

Wy multiply elements

(-7d)+(-8d)+98d=0

We get rid of parentheses

-7d-8d+98d=0

We add all the numbers together, and all the variables

83d=0

d=0/83

d=0

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