Find the best answers to your questions with the help of IDNLearn.com's knowledgeable users. Discover reliable and timely information on any topic from our network of knowledgeable professionals.

Solve Using Substitution.
PLS SHOW ALL YOUR WORK!!!
60 POINTS!!!
x + y = 12
-5x + 6y = -5


Sagot :

Answer:

  • (7, 5)

Step-by-step explanation:

Given system:

  • x + y = 12
  • -5x + 6y = -5

Substitute:

  • x = 12 - y
  • - 5(12 - y) + 6y = - 5
  • - 60 + 5y + 6y = - 5
  • 11y = 60 - 5
  • 11y = 55
  • y = 5

Find x:

  • x = 12 - 5 = 7