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

Sagot :

mhanifa

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
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