19mjjenkins 19mjjenkins

04-09-2015
Mathematics

contestada

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

Respuesta :

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 Snickers bar contains 27.0 g of sugars (carbohydrates), 4.0 g of protein and 12.0 g of fat. How many food calories (Cal) are contained in the bar

I need help, please pick the answers many that there the equivalent of 4(x + 1) + 7(x + 3)?

Write an informative essay explaining the different kinds of sacrifices people make, the value in making sacrifices, and how to determine when to make a sacrifi

PLEASE HELPP MEE... 90 POINTS! How did the American education system begin? O Public schools were paid for by wealthy donors in each state, making them free for

PLEASE HELP! Question: Solve for x (x+3)^2 Answers: 2x^2 + 3x + 2 x^2 + 6x + 9

Jessica wants to set up a manufacturing unit, so she meets with Rachel, a human resource manager at her company. Rachel explains that in order to decide on the

Choose the best translation for the following sentence. I arrived in Paris on June 9th. O J'arrivais à Paris le 9 juin. O Je suis arrivé à Paris le 9 juin.

help pls i need help give ill give brainliest

the feature of earths crust is most often the result of wearthing and erosion by water its a A(canyon B(delta C(plain D(Valley

What is the purpose of jim lentz’s series of presentations to toyota employees in california?.