1/3a-1/2a=2-3

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Solution for 1/3a-1/2a=2-3 equation:



1/3a-1/2a=2-3
We move all terms to the left:
1/3a-1/2a-(2-3)=0
Domain of the equation: 3a!=0
a!=0/3
a!=0
a∈R
Domain of the equation: 2a!=0
a!=0/2
a!=0
a∈R
We add all the numbers together, and all the variables
1/3a-1/2a-(-1)=0
We add all the numbers together, and all the variables
1/3a-1/2a+1=0
We calculate fractions
2a/6a^2+(-3a)/6a^2+1=0
We multiply all the terms by the denominator
2a+(-3a)+1*6a^2=0
Wy multiply elements
6a^2+2a+(-3a)=0
We get rid of parentheses
6a^2+2a-3a=0
We add all the numbers together, and all the variables
6a^2-1a=0
a = 6; b = -1; c = 0;
Δ = b2-4ac
Δ = -12-4·6·0
Δ = 1
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$a_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$a_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1}=1$
$a_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-1)-1}{2*6}=\frac{0}{12} =0 $
$a_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-1)+1}{2*6}=\frac{2}{12} =1/6 $

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