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-x+2=5/7x+3
We move all terms to the left:
-x+2-(5/7x+3)=0
Domain of the equation: 7x+3)!=0We add all the numbers together, and all the variables
x∈R
-1x-(5/7x+3)+2=0
We get rid of parentheses
-1x-5/7x-3+2=0
We multiply all the terms by the denominator
-1x*7x-3*7x+2*7x-5=0
Wy multiply elements
-7x^2-21x+14x-5=0
We add all the numbers together, and all the variables
-7x^2-7x-5=0
a = -7; b = -7; c = -5;
Δ = b2-4ac
Δ = -72-4·(-7)·(-5)
Δ = -91
Delta is less than zero, so there is no solution for the equation
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