heyitsjassie
heyitsjassie
10-06-2017
Mathematics
contestada
Please help for 18 n 19
Respuesta :
Banabanana
Banabanana
10-06-2017
[tex]18. \ \ \frac{-1}{x-9}- \frac{-2}{x+7}= \frac{-1(x+7)+2(x-9)}{(x-9)(x+7)}= \frac{-x-7+2x-18}{(x-9)(x+7)}= \frac{x-25}{(x-9)(x+7)}[/tex]
[tex] \frac{2}{x}+ \frac{12}{x}=7 \\ \\ \frac{14}{x} =7 \\ \\ x= \frac{14}{7} \\ \\ x=2 [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 29+ )
Otras preguntas
Through Biden's executive orders and regulatory policies, the U.S. economy is transforming from a great world capitalist giant into a subservient capitalist pup
Multiply Conjugates Using the Product of Conjugates Pattern In the following exercises, multiply each pair of conjugates using the Product of Conjugates Pattern
Phenylthiocarbamide (PTC), also known as phenylthiourea (PTU), has the unusual property that it either tastes very bitter or is virtually tasteless, depending o
What is parallelism
pleasee help! :(( Select the correct answer. Consider the graph of the function f(x)=2^x Which statement describes a key feature of function g if ? g(x)= f(x-4
A model of a ship is built to scale of 1 cm:5 meters.The length of the model ship is 30 cm. What is the actual length of the ship?
During properly performed external chest compression on children under 8 years old or on large toddlers, how much should the sternum be compressed
What feelings do you think romeo is expressing in his speech? select one or more answers. wonder longing happiness excitement thoughtfulness yearning
When looking at the purchase of accounting software, things to avoid include ____. software that is able to be updated as tax laws and accounting principles cha
1. Try It # 1 A company sells doughnuts. They incur a fixed cost of $25,000 for rent, insurance, and other expenses. It costs $0.25 to produce each doughnut. b.
