reynarrome2
reynarrome2 reynarrome2
  • 03-04-2021
  • Mathematics
contestada

If x−2y=−1 and 8x+4y=5 are true equations, what would be the value of 7x+6y?

Respuesta :

Hrishii
Hrishii Hrishii
  • 03-04-2021

Answer:

7x + 6y = 6

Step-by-step explanation:

x - 2y = - 1..... (1)

8x + 4y = 5...(2)

Subtracting equation (1) from equation (2)

8x + 4y - ( x - 2y) = 5 - (-1)

8x + 4y - x + 2y = 5 + 1

8x - x + 4y + 2y = 6

7x + 6y = 6

Answer Link

Otras preguntas

Can some please write an interesting summary on “Our Planet”which is on Netflix
Please help! Precalco
6. Explain the importance of the law of conservation of mass.
what did people of the 1300s need a rebirth from?
As a long-term investment, Fair Company purchased 20% of Midlin Company's 300,000 shares for $360,000 at the beginning of the reporting year of both companies.
The planets are kept in their orbit around the sun by a special force. What is this force called? buoyancy gravity friction spinning
What kind of poem is hanging fire.
A random sample of 150 adults was given an IQ test. It was found that 78 of them scored higher than 100. Based on this, compute a 99% confidence interval for th
Round the answer to the nearest cent. 5 1/2% tax on $20 is $
PLEASE HELP, I WILL GIVE BRAINLIEST, 5 STARS AND ALL THAT STUFF, WRONG ANSWER OR LINK AND I WILL REPORT YOU thank you <3 Is this a scientific model? Use com