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The sum of twice a number and 3 is equal to the sum of the number and 9

The sum of twice a number and 3 is equal to the sum of the number and 9
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The sum of twice a number and 3 is equal to the sum of the number and 9

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User Greynes
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8.0k points

1 Answer

6 votes

n - the number

The equation:

2n + 3 = n + 9 |-3

2n = n + 6 |-n

n = 6

answered
User Plditallo
by
8.6k points
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