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x=-4(7/2-x)
We move all terms to the left:
x-(-4(7/2-x))=0
Domain of the equation: 2-x))!=0We add all the numbers together, and all the variables
We move all terms containing x to the left, all other terms to the right
-x))!=-2
x!=-2/1
x!=-2
x∈R
x-(-4(-1x+7/2))=0
We multiply all the terms by the denominator
x*2))-(-4(-1x+7=0
We add all the numbers together, and all the variables
-1x+x*2))-(-4(+7=0
Wy multiply elements
2x^2-1x+7=0
a = 2; b = -1; c = +7;
Δ = b2-4ac
Δ = -12-4·2·7
Δ = -55
Delta is less than zero, so there is no solution for the equation
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