19mjjenkins 19mjjenkins
  • 04-09-2015
  • Mathematics
contestada

For what value of a is a(2x+3)=9x+15+x an identity?

Respuesta :

konrad509
konrad509 konrad509
  • 04-09-2015
[tex]a(2x+3)=9x+15+x\\ 2ax+3a=10x+15\\\\ 2a=10 \wedge 3a=15\\ a=5 \wedge a=5\\\\ \boxed{a=5} [/tex]
Answer Link

Otras preguntas

A coin is tossed and an eight-sided die numbered 1 through 8 is rolled Find the probability of tossing a head and then rolling a number greater than 1 The proba
What are the challenges for forensic scientists in identifying poisons?
graph a function and identify it domain and range. t(x)=-3.5x+80
Match these items. 1. text 2. fiction 3. imagination form of literature that describes imaginary events and people the ability of the mind to be creative or res
[tex]\lfloor\dfrac{x^2+1}{10}\rfloor+\lfloor\dfrac{10}{x^2+1}\rfloor=1[/tex][tex]\small\textrm{$\bullet\ \lfloor ()\rfloor$ denotes the greatest integer that do
How did the Civil Rights Movement change during the 1960s?
im giving 40 points!!!!!!! help help
Speed Is speed a vector? Why or why not?
Why did Jackson oppose the re-charter of the Bank of the United States?.
Which of the following was a major failure of the Kennedy Administration? a. Bay of Pigs b. Iran-Contra Affair c. Suez Crisis d. Peace Corps