2x-4+1/2x+7=3x-5x+27-10

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Solution for 2x-4+1/2x+7=3x-5x+27-10 equation:



2x-4+1/2x+7=3x-5x+27-10
We move all terms to the left:
2x-4+1/2x+7-(3x-5x+27-10)=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-(-2x+17)-4+7=0
We add all the numbers together, and all the variables
2x+1/2x-(-2x+17)+3=0
We get rid of parentheses
2x+1/2x+2x-17+3=0
We multiply all the terms by the denominator
2x*2x+2x*2x-17*2x+3*2x+1=0
Wy multiply elements
4x^2+4x^2-34x+6x+1=0
We add all the numbers together, and all the variables
8x^2-28x+1=0
a = 8; b = -28; c = +1;
Δ = b2-4ac
Δ = -282-4·8·1
Δ = 752
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:
$\sqrt{\Delta}=\sqrt{752}=\sqrt{16*47}=\sqrt{16}*\sqrt{47}=4\sqrt{47}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-28)-4\sqrt{47}}{2*8}=\frac{28-4\sqrt{47}}{16} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-28)+4\sqrt{47}}{2*8}=\frac{28+4\sqrt{47}}{16} $

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