Question

PLEASE SOLVE FOR QUESTION 13!!!!!

Answer 1

X + x + x + 20 + 10 = 180
(combine like terms)
3x + 30 = 180
3x=180-30
3x=150
x=150/3
x=50

Answer 2

Answer:

x°=50°

Step-by-step explanation:

• x°+(x+10)°+(x+20)°=180°
• 3x+30=180°
• 3x=180_30
• 3x=150
• finally divide both side by 3
• x= 50.