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emmainna [20.7K]
2 years ago
8

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

Mathematics
1 answer:
lesantik [10]2 years ago
7 0

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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