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X=6/7X+8X
We move all terms to the left:
X-(6/7X+8X)=0
Domain of the equation: 7X+8X)!=0We add all the numbers together, and all the variables
X∈R
X-(+8X+6/7X)=0
We get rid of parentheses
X-8X-6/7X=0
We multiply all the terms by the denominator
X*7X-8X*7X-6=0
Wy multiply elements
7X^2-56X^2-6=0
We add all the numbers together, and all the variables
-49X^2-6=0
a = -49; b = 0; c = -6;
Δ = b2-4ac
Δ = 02-4·(-49)·(-6)
Δ = -1176
Delta is less than zero, so there is no solution for the equation
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