Answer:
46, 85, 87.5
Explanation:
For number 1, the angles are alternate exterior which means that they are equivalent. 2x-20 = x + 26. x=46. Number 2, 2x-80=90. 2x=170. x=85. Number 3, the angles are supplementary in which their sum is 180. (x+20)+(x-15)=180. 2x=175. x=87.5