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 ->  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

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   


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(3495) 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
+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+%287%29%2F%282x%2B1%29+-+%288x%29%2F%282x-1%29%2C+-4%29+