3+(8/7)*d=-1

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Solution for 3+(8/7)*d=-1 equation: 



3+(8/7)*d=-1

We move all terms to the left:

3+(8/7)*d-(-1)=0



Domain of the equation: 7)*d!=0

d!=0/1

d!=0

d∈R



We add all the numbers together, and all the variables

(+8/7)*d+3-(-1)=0

We add all the numbers together, and all the variables

(+8/7)*d+4=0

We multiply parentheses

8d^2+4=0

a = 8; b = 0; c = +4;
Δ = b2-4ac
Δ = 02-4·8·4
Δ = -128
Delta is less than zero, so there is no solution for the equation

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