The sum of two numbers is 30 and their difference is 12 find the two numbers

asked Jun 19, 2021 78.5k views

1 vote

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7 votes

Answer:

The two numbers are 21 and 9.

Explanation:

x+y=30

x-y=12

-------------

2x=42

x=42/2

x=21

21+y=30

y=30-21=9

Dave Costa answered Jun 26, 2021

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