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

the principal mineralocorticoid is _____________ that helps regulate levels of _____________ in the blood and body fluids.

Lu was tempted to vape because all of her friends were doing it. However, she reminded herself that it is illegal. Breaking the law would be the wrong thing to

Which equation reprints a line passing through the point (8,16) with a slope of 3

Help...Question 1 Objective: Apply properties of rhombi to solve mathematical and real-world problems. Rhombus LMNO is shown with its diagonals. Angle MNO measu

The box-and-whisker plot below represents the ages of 12 people. What percent of these people are age 15 or older? 5 + + + + + + 10 15 20 25 30 35 40 45 50 55 2

Help help math help help help math

Brainliest to the one thats right ;)

Describe the transformation from the parent function: y = x. y = 1/2x

Which shows the equation below written in the form ax2 + bx + c = 0? x + 9 = 4(x-1)2 A. 4x2 - 7x+ 13 = 0 B. 4x2 - 9 x 13 = 0 C. 4x2 - 7x- 5 = 0 D. 4x2 - 9x-5= 0

What is the solution to the system of equations? y = 2x -1 y = -x +5