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Alexandra [31]
3 years ago
7

Answer quick for brainliest

Mathematics
1 answer:
Sindrei [870]3 years ago
3 0

Answer: 12 is x=6. 13 is x = 34 14 is x = 5

Step-by-step explanation: add the sum and the the number next to it and add

For example -13 - x = -7 so we know that -7 and 13 subtracted is positive 6 so x is 6

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