(7x-4)/5x=(9/5)-(4/X)?
i'm really bad at math and ive been working at this stupid test forever. please help me =(
i'm really bad at math and ive been working at this stupid test forever. please help me =(
wolf_235813
Favorite Answer
(7x - 4) / 5x = (9/5) - (4/x)
(7x - 4) / 5x = (9x/5x) - (20/5x)
(7x - 4) / 5x = (9x - 20) / 5x
35x^2 - 20x = 45x^2 - 100x
10x^2 - 80x = 0
10x (x - 8) = 0
x = 0, 8 --> but x cannot equal 0 because it would make the denominator 0
So, the answer is x = 8.
Hope this helps...good luck!