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elixir [45]
3 years ago
10

What is the value of x?

Mathematics
1 answer:
Marysya12 [62]3 years ago
4 0
A triangle always adds up to 180 degrees:

Therefore, 48 + 6x + 9x-3 = 180

Solve for x:

180 - 45 = 15x
135 = 15x

x = 9 degrees
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