4(x+5)+4=1/2(8x

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Solution for 4(x+5)+4=1/2(8x equation: 



4(x+5)+4=1/2(8x

We move all terms to the left:

4(x+5)+4-(1/2(8x)=0



Domain of the equation: 28x+4!=0

We move all terms containing x to the left, all other terms to the right

28x!=-4

x!=-4/28

x!=-1/7

x∈R



We multiply parentheses

4x-(1/28x+4+20=0

We multiply all the terms by the denominator


4x*28x+4+20-(1=0

We add all the numbers together, and all the variables

4x*28x=0

Wy multiply elements

112x^2=0

a = 112; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·112·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{224}=0$

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