vanessapel15
vanessapel15 vanessapel15
  • 03-05-2020
  • Mathematics
contestada

plz help ! solve the following system of equations

5x+7y=23
9x+4y=7

Respuesta :

brucedeluxegd
brucedeluxegd brucedeluxegd
  • 03-05-2020

Answer: x = -1 y = 4  I got my answer by solving for one variable in the first equation and then substituting what I got for that variable into the second equation in place of that aforementioned variable then solving for the last variable.

Answer Link

Otras preguntas

what does x=, im very stuck on this
Quarry Industries issued $250,000 in bonds last year to fund an expansion. Each of the bonds has a par value of $1,000 and a coupon rate of 3% paid semi-annuall
How are the private and public keys generated in the RSA algorithm?
HELPPPPPPPPPP PLEASEEEEEEEE!!!!!!
3. Stone him 10 - Exercise 7. Name the Part of Speech of each italicized word in the allowing sentences : 1. We had a severe winter ten years ago. 2. They alwa
How should this situation have been prevented
What might Document C and Document D both suggest about why some Senators opposed the Treaty of Versailles?
HELPPPPPPPPPP PLEASEEEEEEEE!!!!!!
40 mL 30 mL 20 mL 10 mL 30 mL 20 mL 40 mL These graduated cylinders are the same size and there is the same amount of water in each. If the red 30 mL 20 mL marb
what is the Author Jolly character in First Prize novel?​