Question

Find x if l and m are parallel

Answer 1

Answer:

x = 30 degree.

Step-by-step explanation:

L ।। m

So,

4x - 15 = 3x + 15 (alternative interior angle are equal)

4x - 3x = 15 + 15

x = 30 degree

Answer 2

x=30

since l ll m

so 3x+15 = 4x-15

15+15 = 4x-3x

30 = x