(2/7)*x=-4

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Solution for (2/7)*x=-4 equation: 



(2/7)*x=-4

We move all terms to the left:

(2/7)*x-(-4)=0



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

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

(+2/7)*x-(-4)=0

We add all the numbers together, and all the variables

(+2/7)*x+4=0

We multiply parentheses

2x^2+4=0

a = 2; b = 0; c = +4;
Δ = b2-4ac
Δ = 02-4·2·4
Δ = -32
Delta is less than zero, so there is no solution for the equation

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