x+7=13-(1/2)x

Solution for x+7=13-(1/2)x equation:

x+7=13-(1/2)x

We move all terms to the left:

x+7-(13-(1/2)x)=0


Domain of the equation: 2)x)!=0

x!=0/1

x!=0

x∈R


We add all the numbers together, and all the variables

x-(13-(+1/2)x)+7=0

We multiply all the terms by the denominator


x*2)x)-(13-(+7*2)x)+1=0

We add all the numbers together, and all the variables

x*2)x)-(13-14x)+1=0

Wy multiply elements

2x^2=0

a = 2; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·2·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{4}=0$