z=-5(2/7)+7

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Solution for z=-5(2/7)+7 equation: 



z=-5(2/7)+7

We move all terms to the left:

z-(-5(2/7)+7)=0

We add all the numbers together, and all the variables

z-(-5(+2/7)+7)=0

We multiply all the terms by the denominator


z*7)+7)-(-5(+2=0

Wy multiply elements

7z^2+2=0

a = 7; b = 0; c = +2;
Δ = b2-4ac
Δ = 02-4·7·2
Δ = -56
Delta is less than zero, so there is no solution for the equation

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