Solve this question fast. Share with your friends Share 0 S Ramaratnam answered this x +3 + x + 20 + x + 7 = 3x + 30 = 180 3x = 150 x = 50 0 View Full Answer Shreya answered this Since AOB is a straight line , angles on a straight line is equal to 180. so, ( x+3)+(x+20)+(x+7)=180 3x+30=180 3x=180-30 3x=150 x=50 0 Kaashvi Sharma answered this AOB=180? (straight line) (x+3) + (x+20) + (x+7) = 180? 3x + 30 = 180 3x = 180 - 30 3x = 150 x = 150 ? 3 x = 50? 0