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Scilla [17]
3 years ago
7

If the sum of two number is 19. Their difference is 3. What are the numbers?

Mathematics
1 answer:
Kobotan [32]3 years ago
4 0

x, y - the numbers

x + y = 19

x - y = 3        <em>add both sides of the equations</em>

2x = 22      <em>divide both sides by 2</em>

x = 11

Substitute the value of x to the first equation:

11 + y = 19     <em>subtract 11 from both sides</em>

y = 8

<h3>Answer: 11 and 8.</h3>
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