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Gre4nikov [31]
3 years ago
9

Can someone explain how we solve this problem

Mathematics
2 answers:
Virty [35]3 years ago
5 0
X + 5 - 1/x = x - 7 + 1/x
Bring x + 5 - 1/x together using the common denominator x. Bring x - 7 + 1/x together using the common denominator x:
(x^2 + 5 x - 1)/x = (x^2 - 7 x + 1)/x
Multiply both sides by x:
x^2 + 5 x - 1 = x^2 - 7 x + 1
Subtract x^2 - 7 x + 1 from both sides:
12 x - 2 = 0
Factor constant terms from the left hand side:
2 (6 x - 1) = 0
Divide both sides by 2:
6 x - 1 = 0
Add 1 to both sides:
6 x = 1
Divide both sides by 6:
Answer:  x = 1/6
riadik2000 [5.3K]3 years ago
4 0
It is look so x=? so if it was 2 then it would be
2-1 = 2+1
_______          which is wrong so that's how to do it which is x?
2+5 = 2-7 

the answer is 1/7 so ya its D.1/7 :) hope i helped
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