(z/5)-6=(7/8)

Solution for (z/5)-6=(7/8) equation:

(z/5)-6=(7/8)

We move all terms to the left:

(z/5)-6-((7/8))=0

We add all the numbers together, and all the variables

(+z/5)-6-((+7/8))=0

We get rid of parentheses

z/5-6-((+7/8))=0

We calculate fractions


8z^2/()-6+()/()=0

We add all the numbers together, and all the variables

8z^2/()-5=0

We multiply all the terms by the denominator


8z^2-5*()=0

We add all the numbers together, and all the variables

8z^2=0

a = 8; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·8·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$z=\frac{-b}{2a}=\frac{0}{16}=0$