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Lapatulllka [165]
3 years ago
12

What is the value of x?

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
3 0
All angles in a triangle add up to 180

180 = 9 + 15 + 2x - 1 + 3x

180 = 24 - 1 + 2x + 3x

180 = 23 + 5x

180 - 23 = 5x

157 = 5x

Divide both sides by 5

X = 31.4 or 157/5
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