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18-05-2022
Mathematics

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

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18-05-2022

Answer:

4 and -1

Step-by-step explanation:

Let :

First number = x
Second number = y

Equations formed :

2x + 4y = 4 ⇒ x + 2y = 2
x - y = 5

Subtract : Equation 1 - Equation 2

x + 2y - x + y = 2 - 5
3y = -3
y = -1

x - (-1) = 5
x + 1 = 5
x = 4

The numbers are : 4 and -1

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