Question

Given m||n, Find the value of x. Need help.

Answer 1

9514 1404 393

Answer:

x = 12

Explanation:

The two marked angles are a linear pair, so are supplementary.

(8x -20)° +(8x +8)° = 180°

16x -12 = 180 . . . . . . . . . . . divide by °, collect terms

16x = 192 . . . . . . . . . . . add 12

x = 12 . . . . . . . . . . . divide by 16