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Evgen [1.6K]
2 years ago
13

Simplificar y sumar 12 + 7 + 10 = ---- ---- ---

Mathematics
2 answers:
emmainna [20.7K]2 years ago
7 0

Answer:

12 + 7 = 19

19 + 10 = 29

answear = 29

vichka [17]2 years ago
4 0
12 + 7 = 19 + 10 = 29

total : 29
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Answer:

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Step-by-step explanation:

For the first problem, let's break down the equation. The number being thought about can be represented by <em>n</em>. Then <em>n </em>is increased by 7, or simply put 7+ <em>n. </em>The sum is 21, so to find n you can use the equation 7 + n = 24 and solve for <em>n, </em>which is 14.

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