Question

The sum of two numbers is 66. The second number is 22 less than three times the first number. How do you write and solve a system of equations to find the two numbers?

Answer 1

`x = 22`
`y = 44`

Explanation:

`x + y = 66`

`y = 3x - 22`

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`x + (3x - 22) = 66`
`4x - 22 = 66`
`4x = 88`

`x = 22`

`y = 44`