(1/2)(4-6x)=5

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Solution for (1/2)(4-6x)=5 equation:



(1/2)(4-6x)=5
We move all terms to the left:
(1/2)(4-6x)-(5)=0
Domain of the equation: 2)(4-6x)!=0
x∈R
We add all the numbers together, and all the variables
(+1/2)(-6x+4)-5=0
We multiply parentheses ..
(-6x^2+1/2*4)-5=0
We multiply all the terms by the denominator
(-6x^2+1-5*2*4)=0
We get rid of parentheses
-6x^2+1-5*2*4=0
We add all the numbers together, and all the variables
-6x^2-39=0
a = -6; b = 0; c = -39;
Δ = b2-4ac
Δ = 02-4·(-6)·(-39)
Δ = -936
Delta is less than zero, so there is no solution for the equation

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