Question

PLEASE HELP 60 POINTS
if l || m, find the value of x

Answer 1

x = 15

Explanation:

5x + 9 and 84 are alternate angles and are congruent , so

5x + 9 = 84 ( subtract 9 from both sides )

5x = 75 ( divide both sides by 5 )

x = 15

Answer 2

x = 15

Explanation:

84 = 5x + 9

Subtract 9

75 = 5x

Divide by 5

x = 15