(-4/7)k-9=1

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Solution for (-4/7)k-9=1 equation: 



(-4/7)k-9=1

We move all terms to the left:

(-4/7)k-9-(1)=0



Domain of the equation: 7)k!=0

k!=0/1

k!=0

k∈R



We add all the numbers together, and all the variables

(-4/7)k-10=0

We multiply parentheses

-4k^2-10=0

a = -4; b = 0; c = -10;
Δ = b2-4ac
Δ = 02-4·(-4)·(-10)
Δ = -160
Delta is less than zero, so there is no solution for the equation

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