(1/10)*(x-7)=-5

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Solution for (1/10)*(x-7)=-5 equation: 



(1/10)(x-7)=-5

We move all terms to the left:

(1/10)(x-7)-(-5)=0



Domain of the equation: 10)(x-7)!=0

x∈R



We add all the numbers together, and all the variables

(+1/10)(x-7)-(-5)=0

We add all the numbers together, and all the variables

(+1/10)(x-7)+5=0

We multiply parentheses ..

(+x^2+1/10*-7)+5=0

We multiply all the terms by the denominator


(+x^2+1+5*10*-7)=0

We get rid of parentheses

x^2+1-7+5*10*=0

We add all the numbers together, and all the variables

x^2=0

a = 1; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·1·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

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

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