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

Indicate the proper order (1-4) of the following PR strategic planning 4-step process. 1 Defining the problem 2 Evaluating the program 3 Planning and programmin

Parallel editing does not cross-cut alternate shots between (usually) two scenes at different location and does not suggest that the action is taking place at t

The US increased tariff on wheat set off a rebellion in Cuba in 1894. A. True B. False

Evaluate this expression for x = 5: 6 + (10 – x)2 – 20

Converges and Diverges part 2:

11. In order to determine the climate of a place, you would use all of the following except (1 point) Orange mean mode median

why there is gap between day and night in frigid zone

You maintain that physical changes in late adulthood are largely related to built-in time limits to cell reproduction. It's safe to say that you endorse the ___

If (-1, y) lies on the graph of y=2^2x then y=

What a culture considers acceptable strongly influences the expression of anger. Which culture-bound syndrome is a dissociative episode characterized by a perio