6+3/5x=7/10x

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Solution for 6+3/5x=7/10x equation:



6+3/5x=7/10x
We move all terms to the left:
6+3/5x-(7/10x)=0
Domain of the equation: 5x!=0
x!=0/5
x!=0
x∈R
Domain of the equation: 10x)!=0
x!=0/1
x!=0
x∈R
We add all the numbers together, and all the variables
3/5x-(+7/10x)+6=0
We get rid of parentheses
3/5x-7/10x+6=0
We calculate fractions
30x/50x^2+(-35x)/50x^2+6=0
We multiply all the terms by the denominator
30x+(-35x)+6*50x^2=0
Wy multiply elements
300x^2+30x+(-35x)=0
We get rid of parentheses
300x^2+30x-35x=0
We add all the numbers together, and all the variables
300x^2-5x=0
a = 300; b = -5; c = 0;
Δ = b2-4ac
Δ = -52-4·300·0
Δ = 25
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{25}=5$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-5)-5}{2*300}=\frac{0}{600} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-5)+5}{2*300}=\frac{10}{600} =1/60 $

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