hawaiibusgirl
hawaiibusgirl hawaiibusgirl
  • 01-07-2022
  • Mathematics
contestada

HURRRRYYY
Hurry pleaseee use elimination show your work


15y - 9x =-9 -8y+9x=12

Respuesta :

rachelwangg17 rachelwangg17
  • 01-07-2022
Add the two functions together to get

7y=-3
y=-3/7

Then plug in y to either function to solve for x, I’ll just use the left one

15(-3/7)-9x=-9
-45/7-9x=-9
-9x=-18/7
x=18/7/9

x=2/7
Answer Link

Otras preguntas

which quantity identifies an element? 1. Atomic number 2. Mass Number 3. total number of neutrons in an atom of the element 4. total number of valence electro
A very active person uses a large amount of energy and therefore has a high A temperature B cholesterol level C fat diet d metabolism
how many times can 21 go into 336
Which expression is equivalent to - 3 x (4/- 5)? a. (- 3 x 4) / 5 b. - 3/5 x 4 c. - 3/- 5 x 4 d. (- 3 x 4) / (- 3 x (-5))
Which expression is equivalent to 16a + 24b ?
Which of the following groups of words is a sentence fragment? A. When we stopped by the garden. B. Stop by the garden. C. We stopped; she didn't. D. Stopping b
ian has 12.2 ounces of ketchup he uses 1/20 of the ketchup every time he has buafflo burger how many ounces of ketchup are left after ian has eaten 4 burgers
Which would a historian use most often to research people or events from the past? a. old books and papers b. old buildings and ruins c. old tools and pottery
Being rejected by a peer group can negatively influence one's self-esteem.
Which of the following is true? A. Some levels of tobacco use are safe. B. Some tobacco products do not cause cancer. C. All forms of tobacco are addictive.