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koban [17]
3 years ago
7

Solve the following system of equations. 18x+6y=3018x+6y=30 18x+22y=1418x+22y=14

Mathematics
1 answer:
Triss [41]3 years ago
4 0

Answer:

  • (2, -1)

Step-by-step explanation:

<u>Given system</u>

  • 18x+6y=30  
  • 18x+22y=14

<u>Solve by elimination, subtract the equations and solve for y:</u>

  • 18x + 6y - 18x - 22y = 30 - 14
  • -16y = 16
  • y = -1

<u>Find x by substituting y:</u>

  • 18x + 6(-1) = 30
  • 18x - 6 = 30
  • 18x = 36
  • x = 36/18
  • x = 2

<u>The answer is</u>: (2, -1)

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