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Reptile [31]
4 years ago
13

B. 14

Mathematics
1 answer:
Serga [27]4 years ago
4 0

Answer:

Step-by-step explanation:

5x + 7x - 18x = 12x - 18x = -6x

answer is C

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vovangra [49]

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<h3><u>Solution:</u></h3>

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