The sum of three numbers is 69. The second number is 6 less than the first. The third number is 3 times the first. What are the

Question

2 years ago

15

numbers?

1 answer:

almond37 [142] · Answer 1 · 2022-08-06T08:29:10+03:00

Answer and Step-by-step explanation:

To solve, we would set the first number to x, and make an equation.

Solve for x.

x + (x - 6) + 3x = 69.

Add and combine like terms.

2x + 3x - 6 = 69

5x - 6 = 69

Add 6 to each side of the equation.

5x = 75

Divide by 5 to both sides.

x = 15

The first number is 15.

The second number is (x - 6) = (15 - 6) = 9.

The third number is 3x = 3(15) = 45.

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