Question

Find x and angles (AB IS LINE)​

Answer 1

Answer:

AB = 180 straight line

(× +10) + (3×+ 5) +( 2×- 15) = 180

remove brackets

×+10 + 3×+5+2×-15 = 180

.6× +15-15 = 180

6× = 180

× = 180 ÷ 6

× = 30