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Popular >

the sum of twice a number and 4 times another number is 4. The first number decreased by the second number is 5. Find the numbers.

Solución

the sum of twice a number and 4 times another number is 4. The first number decreased by the second number is 5. Find the numbers.

Solución

The numbers : 4, - 1

Pasos de solución

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

2 x + 4 y = 4

x - y = 5

2 x + 4 y = 4, x - y = 5 : x = 4, y = - 1

The numbers : 4, - 1

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