Given m||n, find the value of x.

asked Feb 8, 2021 58.0k views

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Both angles will add up to 180°, so we set up a equation where (4x - 19)° and (6x + 9)° equal 180°.

$4x - 19 + 6x + 9 = 180\\\\10x - 10 = 180\\\\10x = 190\\\\x = 19$

Our answer is x = 19.

Iulia answered Feb 13, 2021

by Iulia

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