michseladelao michseladelao
  • 02-02-2021
  • Mathematics
contestada

Use substitution: y = 2x and x + y = 9*

Respuesta :

pgonzales15
pgonzales15 pgonzales15
  • 02-02-2021

Answer:

x=3

y=6

Step-by-step explanation:

Answer Link

Otras preguntas

Mr Perez earned $320 this week working 40 hours. how many more hours would he have to work to earn $416?
Which equations are equivalent? Select all that apply. 1 + x = 3 x – 4 = -2 1 + x = -2 x + 3 = 5 x – 5 = 3
Why must fresh bacterial cultures be used in a gram stain? (5 pts)?
How were the conditions worse at Bergen-Belsen?
robert needs to cut 4 shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the length of the first shelf. The thi
is it a good thing or a bad thing to have a slow Doubling Time??
In what organelle does the body use oxygen to make energy
Nolan is applying for a promotion within his company. the ________ state that the qualified candidate must have a four-year college business degree, five years
what is the measurement of the acute angle between the hour hand and the minute hand at 2:20 PM?
how do i do this ratio problem?