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

How long does water evaporation take? What factors influence it?
convert to vertex form. y=2x^2+14x-4
What is twenty percent off 600 hundred pounds
Which of the following is most important in classifying two groups of bears into the same genus? A. similar diets B. similar genes C. similar habitat D. similar
Which decimal is equivalent to 3/8?
What is the value of 6P6?  A.1  B.36  C.720  D.46,656
it is asking me to insert parentasies
Why can't plants and animals use the nitrogen directly from the atmosphere? Answer A.There is not enough of it in the air. B.Nitrogen gas contains the element i
Find the distance between two parallel lines: x = 11 and x = 5.
Which of the following can fix nitrogen? Answer  A.human industrial processes   B.lightning  C.certain bacterial species   D.all of the above