--7(-6-6/7x)=12(x-7/2)

Solution for --7(-6-6/7x)=12(x-7/2) equation:

--7(-6-6/7x)=12(x-7/2)

We move all terms to the left:

--7(-6-6/7x)-(12(x-7/2))=0


Domain of the equation: 7x)!=0

x!=0/1

x!=0

x∈R


We add all the numbers together, and all the variables

-7(-6/7x-6)-(12(+x-7/2))-=0

We add all the numbers together, and all the variables

-7(-6/7x-6)-(12(+x-7/2))=0

We multiply parentheses

42x-(12(+x-7/2))+42=0

We multiply all the terms by the denominator


42x*2))-(12(+x-7+42*2))=0

We add all the numbers together, and all the variables

42x*2))-(12(x+77))=0

We add all the numbers together, and all the variables

42x*2))-(12(x=0

Wy multiply elements

84x^2=0

a = 84; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·84·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{168}=0$