Given: 1 and 5 are alternate interior angles,
m21 = 5x - 11 and m2 5 = 3x + 7.

∠1 and ∠5 are alternate interior angles.
[tex]\underline{\sf{Solution:}}[/tex]
[tex]\underline{\sf{Answer:}}[/tex]
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[tex]{\pink{\underline{\sf{SecretNumber}}}}[/tex]