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

Plzz help Solve for x x ÷3 3/10 =2 2/5

What is supplications in islam

define the unit of current

Carter bought a bear and paid for a football uniform. The total cost was $38.50. Write and solve an equation to find the cost, x, of buying a bear.

Write an equation of the line that passes through the point (-7, -9) with slope -4 A. Y+7= 4(x +9) B.y+9= 4(x + 7) c. y +9= - 4(x + 7) D. Y+7= - 4(x +9)

find the coordinates of the point satisfying lying on x axis at a distance of 5 units to the right of x axis lying on y axis at a distance of 3 units below the

PLEASE HELP!! If the measure of arc GH= 90° and the measure of arc EF= 45°, calculate m∠GDH. I WILL GIVE BRAINLIEST!!!

Which of the following are accurate descriptions of the distribution below?

Cocaine and amphetamine both boost activity of___, although they do so through different mechanisms

please help with this essay:the impact of innovative leadership on organizational effectiveness and efficiency.