Ibellarodriguez
Ibellarodriguez Ibellarodriguez
  • 02-05-2021
  • Mathematics
contestada

Solve the system of linear equations by substitution.
x-2y=6
3x-5y=11

Respuesta :

maggielee724
maggielee724 maggielee724
  • 02-05-2021

Answer:

x = -8, y = -7

Step-by-step explanation:

=> x = 6 + 2y

substitute x = 6 + 2y into the equation 3x - 5y = 11 to solve for y:

=> 3(6 + 2y) - 5y = 11

=> 18 + 6y -5y = 11

=> y = -7

substitute y = -7 into the equation x - 2y = 6 to solve for x:

=> x - 2(-7) = 6

=> x +14 = 6

=> x = -8

Answer Link

Otras preguntas

round 32.697 to the nearest hundredths
One number is 5 times another. The sum of their reciprocals is 2/5. Determine the smaller number.
Another question... this was all the information I was given and I'm a tad confused as to how to go about solving it... help please??? Thank you so much!!! Juli
what is the Nth term of 0 3 8 15 24 35
Find two consecutive numbers whose sum is 117
What prevents a plant cell from bursting when it's full of water?
Sum of 3 numbers is 133. Third number is 3 times the first. Second number is 8 more than the first. What are the numbers?
solve the equation 4+0.3x=19
Fred bought 6 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 29 cards left. How many c
is 14.5% equivalent to the decimal 14.5