itzjustmay6 itzjustmay6

20-05-2021
Mathematics

contestada

Two times a number added to another number is 25. Three times the first number minus the other number is 20. Find the numbers.

Respuesta :

clarch19 clarch19

21-05-2021

Answer:

first number is 9

second number is 7

Step-by-step explanation:

2x + y = 25

3x - y = 20

Add the two equations so that 'y' is eliminated:

5x = 45

x = 9

2(9) + y = 25

18 + y = 25

y = 7

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