*3-----*3 1/4-----*3 1/2-----*3 3/4-----*4-----*4 1/4-----*4 1/2-----*4 3/4-----*5
Answer:
13x - 4 + 80 = 180⁰ (Sum of co interiar angles)
13x +76 = 180⁰
13x = 180⁰ - 76⁰
x = 104/13
x = 8
im confused rn lol
Step-by-step explanation:
10+20x-12
20x-2
X=20-2
X=18