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Popular >

Two times a number plus three times another number equals 13. The sum of the two numbers is 7. What are the numbers?

Solution

Two times a number plus three times another number equals 13. The sum of the two numbers is 7. What are the numbers?

Solution

The numbers : 8, - 1

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

2 x + 3 y = 13

x + y = 7

2 x + 3 y = 13, x + y = 7 : x = 8, y = - 1

The numbers : 8, - 1

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