understar understar

14-12-2016
Mathematics

contestada

solve for x: x-2/x+4=x+2/x+12 help please

Respuesta :

xman7373 xman7373

14-12-2016

Alright, let's cross-multiply both sides.
(x-2) will multiply with (x+12)
(x+4) will multiply with (x+2)
FOIL each, making them:
x^2+10x-24 = x^2+6x+8
Bring all x-values to one side:
x^2+10x-24=x^2+6x+8
-x^2 -6x -x^2 -6x
4x-24=8
+24 +24
4x=32
/4
x=8

Answer Link

Otras preguntas

How does the author characterize Mrs. Tilley? a.as an old woman lost in the history of her family's past b.as a strong female character living most of her lif

What planet has the least amount of inertia

A $1045 washing machine in a laundrymat is depreciated for tax purposes at a rate of $95 per year. Find a function for the depreciated value of the washing mac

While the priceless jewel was on display, the museum increased security, decided to extend the hours so more people could see it, and rearranged exhibits.

If you combine 320.0 ml of water at 25.00 °c and 120.0 ml of water at 95.00 °c, what is the final temperature of the mixture? use 1.00 g/ml as the density of wa

5. Which of the following is true about technical articles? A. Technical articles are used to question, but never to explain or instruct. B. The purpose of

Climate plays an important role in agricultural yield. Examine the climate map of Africa above. In a short paragraph, explain the correlation between Africa’s c

In the _____ paragraph of a cover letter, you should introduce yourself and preview the reasons that you are a great fit for the job. A.last B.body C.first D

adapting and using formulas

what the first thing you should do when you find yourself in a conflict