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Stells [14]
3 years ago
15

Will mark Brainliest

Mathematics
1 answer:
olga55 [171]3 years ago
3 0

Answer:

10

Step-by-step explanation:

This means that 12/(2x+1)=8/(x+4). Cross multiply to get 16x + 8 = 12x + 48. Subtract 12x + 8 from both sides to get 4x = 40, so x = 10.

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