The sum of 2, 6, and a number amounts to 15. Find the number.
1 answer:
Given the numbers, let’s set up an equation:
2 + 6 + n = 15
We can solve this using steps:
1. Simplify
8 + n = 15
2. Subtract 8 from both sides
(8 - 8) + n = 15 - 8
3. Simplify
n = 7
Let’s plug in 7 to see if it makes sense:
2 + 6 + 7 = 15
Because this equation is true, we have found our number.
Our unknown number is 7.
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