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forsale [732]
3 years ago
13

The proofs below. n: 3x + 12 = 8x – 18 e: X=6

Mathematics
1 answer:
nasty-shy [4]3 years ago
4 0

Answer:

3x-8x=-18-12

-5x=-30

x=30

3 * 6 + 12 = 8 * 6 - 18

18 + 12 = 48 - 18

30 = 30

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