baileym11904 baileym11904

15-05-2019
Mathematics

contestada

What is in extraneous solution to the equation b/b-7 - 2/b = 7/ b-7 ?

Respuesta :

choixongdong choixongdong

15-05-2019

Answer:

b = 2 or b = 7

Step-by-step explanation:

b/(b-7) - 2/b = 7/ (b-7)

b * b - 2(b - 7) = 7 * b

b^2 - 2b + 14 = 7b

b^2 - 9b + 14 = 0

(b - 2)(b - 7) = 0

b - 2 = 0; b = 2

b - 7 = 0; b = 7

Answer

b = 2 or b = 7

Answer Link

Otras preguntas

If the total cost of x apples is b cents, what is a general formula for the cost, in cents,of y apples?

Nate operates a hot dog stand. On Wednesday he used 5 bags of hot dog buns. On Thursday he used 1 3/4 times as many hot dog buns as on Wednesday. How many bag

How could you use a microscope to help determine whether a specimen is a living or nonliving thing

What is the root or base illegal

Is it possible that a speed of 254 and a speed of 100 could be the same speed?

What is the root or base illegal

Last week, Kimi's Fruit Stand sold 3 7/10 boxes of nectarines. Down the road, Tyler's Fruit Stand sold 2 times as many boxes of nectarines as Kimi's did. How ma

mom paid $2.40 for a 3/4 pound of cereal, how much is that per pound

change 196% to a whole number

What's the difference between non-living and dead things?