memeboo76 memeboo76
  • 17-01-2019
  • Mathematics
contestada

use the substitution method to solve the system of equations . choose the correct ordered pairs x+y=5 y=7 A.(12,7) B.(-12,7) C. (-2,7) D.(2,7)

Respuesta :

gmany
gmany gmany
  • 23-01-2019

Answer:

C. (-2, 7)

Step-by-step explanation:

Put y = 7 to the equation x + y = 5:

x + 7 = 5          subtract 7 from both sides

x = -2


Answer Link

Otras preguntas

what does 'don't judge a book by the cover' mean?
what is the best selling book?
How do I factor x^2+7×+6
The width of a rectangle is 4 less than half the length. If represents the length, which equation could be used to find the width, w?
A certain type of bacteria doubles every 8 hours. A culture begins with 30 000. Without use of given equation, use the help of your ability to set up a pattern
could anybody help me slove it.before tomato 6/18/14
what is alloys? write the composition of bronze and brass
An investment club invested part of $8000 at 10% annual interest the rest at 12%. If the annual income from these investments is $900, how much was invested at
numbers 20 - 22 please
write two irrational numbers between 1 and 2