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

Need help with my homework

mrs smith bought 3 1/2 yards of yellow fabric. she uses 2/3 of the fabric to make a pumpkin costume. how much fabric did she use

Parental freedom is limited by laws requiring what

In a scale model of the Solar System, if the Sun is represented by a ball with a diameter of about 8 inches, about how far away would Neptune be?

Why are combining vowels placed in medical terms? A. To help with pronunciation B. To make longer words C. To help with spelling D. To help

What is the value of the underlined digit in 234, 500 , 450? underline is 0

One factor that is usually higher in less developed countries (LDCs) than in developed countries is _____. a. level of material well-being b. per capita GDP

determine the equation of the line that goes trough points (1,1) and (3,7)

I WILL MARK BRAINLIEST!! PLEASE HURRY!! Today you will listen to an audio recording from the book Alice's Adventures in Wonderland. As you listen, pay close a

What is anemia which blood measurements provide information on a possible anemic condition?