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Populaire >

The sum of two numbers is 72. Twice the first number minus the second number is equal to 54. find the numbers

Solution

The sum of two numbers is 72. Twice the first number minus the second number is equal to 54. find the numbers

Solution

The numbers : 42, 30

étapes des solutions

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 72

2 x - y = 54

x + y = 72, 2 x - y = 54 : x = 42, y = 30

The numbers : 42, 30

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