Question

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

Answer 1

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.