-(-8x+3/5)=3/10(-5x-2)

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Solution for -(-8x+3/5)=3/10(-5x-2) equation:



-(-8x+3/5)=3/10(-5x-2)
We move all terms to the left:
-(-8x+3/5)-(3/10(-5x-2))=0
Domain of the equation: 10(-5x-2))!=0
x∈R
We get rid of parentheses
8x-(3/10(-5x-2))-3/5=0
We calculate fractions
8x+()/(-250x)+(-30x(-)/(-250x)=0
We calculate terms in parentheses: +(-30x(-)/(-250x), so:
-30x(-)/(-250x
We add all the numbers together, and all the variables
-30x0/(-250x
We multiply all the terms by the denominator
-30x0
We add all the numbers together, and all the variables
-30x
Back to the equation:
+(-30x)
We get rid of parentheses
8x+()/(-250x)-30x=0
We multiply all the terms by the denominator
8x*(-250x)-30x*(-250x)+()=0
We add all the numbers together, and all the variables
8x*(-250x)-30x*(-250x)=0
We multiply parentheses
-2000x^2+7500x^2=0
We add all the numbers together, and all the variables
5500x^2=0
a = 5500; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·5500·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{11000}=0$

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