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

_________ is an economic belief favoring public control of business and equal distribution of wealth in opposition to ________ that is an economic system built

Natural selection cannot? A. cause a change in a population B. help populations adapt ' C. select what a species needs D. eliminate negative traits in a po

what event caused the united states to slow its construction of nuclear power plants in the 1980s? A.discovery of new oil reserves, B.an end to the OPEC embargo

Which part of an atom has most of its mass? electrons neutrons nucleus protons

which of the following is NOT an example of a study within human geography A. Landforms and natural enviroments B. political systems C. human interactions wi

What are the potential solutions of (CLICK PICTURE)

Which of the following is not true about theme? A theme may be explicit or implicit. There can be more than one theme in a narrative. A theme is found in the

How do you solve this

Hannah buys 2 1/2 lbs of dried fruit for $1.50. How much is she paying for one pound of dried fruit?

Someone please help me