Question

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The sum of two numbers is 10. Triple the first number and double the second number and their sum is 30. Find the value of the two numbers

Answer 1

x = 10, y = 0

Explanation:

x + y = 10 ---> x = 10 - y

3x + 2y = 30

3 (10 - y) + 2y = 30

30 - 3y + 2y = 30

y = 0

x + 0 = 10

x = 10