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olya-2409 [2.1K]
2 years ago
10

Find the value if x, will give brainliest !!

Mathematics
1 answer:
nekit [7.7K]2 years ago
8 0

Answer:

x = 7

Step-by-step explanation:

Since the 2 legs are congruent, then

3x + 12 = 33 ( subtract 12 from both sides )

3x = 21 ( divide both sides by 3 )

x = 7

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