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The sum of two numbers is 10. Five times the first number plus three times the second number is 36

The sum of two numbers is 10. Five times the first number plus three times the second number is 36
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The sum of two numbers is 10. Five times the first number plus three times the second number is 36

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User Igodfried
by
7.5k points

1 Answer

3 votes

Answer:

  • 3 and 7

Explanation:

  • a + b = 10
  • 5a + 3b = 36

5 times the first equation minus the second one:

  • 5(a + b) - 5a - 3b = 5(10) - 36
  • 2b = 14
  • b = 7

Find a:

  • a + 7 = 10
  • a = 3

answered
User Itdoesntwork
by
8.0k points
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