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x-2x+9-2x+9(1/2)*x+4=x
We move all terms to the left:
x-2x+9-2x+9(1/2)*x+4-(x)=0
Domain of the equation: 2)*x!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
x-2x-2x+9(+1/2)*x-x+9+4=0
We add all the numbers together, and all the variables
-4x+9(+1/2)*x+13=0
We multiply parentheses
9x^2-4x+13=0
a = 9; b = -4; c = +13;
Δ = b2-4ac
Δ = -42-4·9·13
Δ = -452
Delta is less than zero, so there is no solution for the equation
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