3 years ago

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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