tieshabegin
tieshabegin tieshabegin
  • 02-04-2020
  • Mathematics
contestada

Find and describe the error.

Find and describe the error class=

Respuesta :

kalyssarose
kalyssarose kalyssarose
  • 02-04-2020

Answer:

The error is in step 4

Step-by-step explanation:

[tex]\frac{x-1}{x+4} - \frac{4x-11}{x+4}[/tex]

[tex]\frac{x-1-4x-11}{x+4}[/tex]

[tex]\frac{-3x-12}{x+4}[/tex]

In order to undo division you need to multiply

[tex]\frac{-3x-12}{x+4}[/tex] × [tex]x+4[/tex]

[tex]-3x -8 = 0[/tex]

Add 8 to both sides

[tex]-3x=8[/tex]

Undo multiplication by dividing by -3

[tex]\frac{-3x}{-3} = \frac{8}{-3}[/tex]

And your answer is

[tex]x= -2.67[/tex]

Answer Link

Otras preguntas

ILL GIVE BRAINLIST 16) Find m
Help with this page pls, For 20 points and brainiest
Given [tex]f(x)=9x^2+7x[/tex] and [tex]g(x)=2-x[/tex], determine [tex]5g(x)-f(x)[/tex] A. [tex]45^2+36x-2[/tex] B. [tex]45x^2+6x-5[/tex] C. [tex]9x+6x+2[/tex] D
compare the life of regular citizens in Greece and the Persian Empire
helppp, its equation balancing! the answer is C but how?
The wealth and power of Songhai derived from a. its extensive gold mines b. Timbuktu's reputation as a center of Islamic teachings c. the merchant crossroads ci
1+2+5+7777777777777+55555555555555555555555555555555555555555555
What do you setup when you want to filter traffic from getting through a firewall?
the sales tax rate is 6%. If you paid $48 in sales tax for a lawn mower, what was the cost of the lawn mower?
Let's suppose that this article could have a different title. The best one would be A. More Lightning Storms Reported in Yellowstone B. Blaze Proves To Benefit