1/2x+7-1/2x+2x=7

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



1/2x+7-1/2x+2x=7

We move all terms to the left:

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



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We add all the numbers together, and all the variables

2x+1/2x-1/2x=0

We multiply all the terms by the denominator


2x*2x+1-1=0

We add all the numbers together, and all the variables

2x*2x=0

Wy multiply elements

4x^2=0

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

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{8}=0$

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