10/9z=-7,z=

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Solution for 10/9z=-7,z= equation: 



10/9z=-7.z=

We move all terms to the left:

10/9z-(-7.z)=0



Domain of the equation: 9z!=0

z!=0/9

z!=0

z∈R



We add all the numbers together, and all the variables

10/9z-(-7z)=0

We get rid of parentheses

10/9z+7z=0

We multiply all the terms by the denominator


7z*9z+10=0

Wy multiply elements

63z^2+10=0

a = 63; b = 0; c = +10;
Δ = b2-4ac
Δ = 02-4·63·10
Δ = -2520
Delta is less than zero, so there is no solution for the equation

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