cecilia345 cecilia345
  • 04-05-2021
  • Mathematics
contestada

solve y=x-2 and x+y=12 using substitution

Respuesta :

Аноним Аноним
  • 04-05-2021

Step-by-step explanation:

y=x-2....eqn1

x+y=12.....eqn2

now,

from eqn 1

y= x-2

again, putting value of y in eqn 2

  • x+y=12
  • x+x-2=12
  • 2x=12+2
  • x=14/2
  • x=7

in eqn 1

  • y=x-2
  • y=7-2
  • y=5

hope it helps..

Answer Link

Otras preguntas

SpongeBob loves to garden and wants to grow lots of pink flowers for his pal Sandy. He bought a special Flower Power fertilizer to see if will help plants prod
Which two social classes lived mostly in the cities, as opposed to the suburbs
Bradley has 12 cookies that he wants to share with his 4 friends. If he wants to split the cookies evenly between his 4 friends, how many cookies will each frie
Would a scale drawing of a door with a scale of 1 in : 3 ft be longer or shorter than a scale of 1 in : 6 ft? why?​
what is gods promise about the rainbow and also are you a christin
It is recommended that drinking water contain 1.6 ppm fluo- ride (F) to prevent tooth decay. Consider a cylindrical reservoir with a diameter of 4.50 X 10' m an
Why are the offspring produced by sexual reproduction different than their parents? Offspring create new DNA without using their parents’ DNA. Offspring create
help with geometry please
What is the x-intercept of the line 6x – 3y = 24?
How is a gas formed?