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Scrat [10]
3 years ago
9

Please answer 7 and 8 for mark as brainliest

Mathematics
1 answer:
maria [59]3 years ago
8 0
7) A. A variable is an unknown value, and x is unknown. Constants are known values so they cannot have X in it.

8)A again for the same reason as number 7
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13/15 + 1/8 =<br><br> Please help
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