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

Please help. I’ll mark you as brainliest if correct!

Hi how to solve this simultaneous equation

what is the equation for the table y=ab^x

A class with n kids lines up for recess. The order in which the kids line up is random with eachordering being equally likely. There are three kids in the class

can someone please help me with this

This is URGENT! PLEASE help me solve this question!

What's the recursive formula of the geometric sequence below? 2, 6, 18, 54, 162, 486,... O ay = 3; an = an-1 · (2)n-1 for n 2 2 a1 = 2; an = an-1 . (3) for n 2

Two small balls A and B with masses 2m and m respectively are released from rest at a height h above the ground. Neglecting air resistance, which of the followi

2. Roth retirement funds require you to pay taxes on your investment dollars up-front, while traditional IRAs allow you to pay taxes only when you withdraw your

Write a "how to" manual on a topic of your choice using cause and effect structure