Question

The measures of ∠x and ∠y are equal. Which is the value of m?

Answer 1

2m + 10 + 5 m + 100 = 180

7m + 110 = 180

7m = 180 - 110

7m = 70

7m ÷ 7 = 70 ÷ 7

m = 10

The angles on the straight line are 180