19mjjenkins 19mjjenkins
  • 04-09-2015
  • Mathematics
contestada

For what value of a is a(2x+3)=9x+15+x an identity?

Respuesta :

konrad509
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

Defintion of is the self esteem that comes from feeling liked and accepted by ones peers, family, and peers
find the value of the polygon. the polygon has 6 interior angles 2 of them are y and 4 of them are (2Y-20)
Read this line from the poem. The untamed heart to hand I brought What is the meaning of the figurative language in this line? A.)The speaker is a true rom
If f(n) = n^ 2 - n, then f(-4) is _____. -20 20 12 -12
need an essay about accomplishments in life please help!
The body's______provides a framework which protects and supports the organs.
The elimination method is useful when you can eliminate one of the variable terms from an equation by adding or subtracting another equation. True or False
exercice 7.............s'il vous plaît.........
Seven is greater less than or equal to 24/4?
Sometimes at a child's birthday party someone will rub a balloon on another's head and stick the balloon to the wall. this works because a.the wall and balloon