I'd say you are stretching it because your changing the shape. im not very sure
It might be B I might not be right
<span>2X +1=-15
Subtract 1 from both sides
2x=-16
Divide 2 on both sides
Final Answer: x=-8</span>
The answer is 30%) because all the angles of a triangle needs to add up to 180 so 180-75-75= 30