SOLUTION: Please help with this one too, it's from College Algebra ISBN:0618313850 pg 94 #70 (7)/(2x+1) - (8x)/(2x-1) = -4 Thank you very much

Algebra ->  Equations -> SOLUTION: Please help with this one too, it's from College Algebra ISBN:0618313850 pg 94 #70 (7)/(2x+1) - (8x)/(2x-1) = -4 Thank you very much      Log On


   

Question 43088This question is from textbook College Algebra
: Please help with this one too, it's from College Algebra ISBN:0618313850 pg 94
#70


(7)/(2x+1) - (8x)/(2x-1) = -4

Thank you very much This question is from textbook College Algebra

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
"x" can not be: 1/2 and -1/2
(7)/(2x+1) - (8x)/(2x-1) = -4
((7)(2x+1)(2x-1))/(2x+1) - ((8x)(2x+1)(2x-1))/(2x-1) = (-4)(2x-1)(2x+1)
(7)(2x-1) - (8x)(2x+1) = (-4)(2x-1)(2x+1)
14x - 7 - 16x^2 - 8x = -16x^2 + 4
6x = 11
x = 11/6