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bezimeni [28]
3 years ago
11

Thank you in advance for the help!​

Mathematics
1 answer:
patriot [66]3 years ago
6 0

Answer:

x = 20

Step-by-step explanation:

By the alternate interior angles theorem, angle 2 and angle 3 are congruent.

∠2 ≅ ∠3

3x- 10 = x + 30        substitute the values

3x = x + 40              add 10 to both sides

2x = 40                    subtract x from both sides

x = 20                      divide both sides by 2

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