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hammer [34]
3 years ago
7

Please find the missing number for this surface answer! I will mark brainiest if correct! 1.

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
4 0

Answer:

2

Step-by-step explanation:

(2 * 6x) + (2 * 7x) + (2 * (6 * 7)) = 136

12x + 14x + (2 * 42) = 136

12x + 14x + 84 = 136

12x + 14x = 136 - 84

26x = 52

x = 2

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