Since 540 is a whole number, it cannot be simplified anymore.
Supplementary is when 2 angles add up to 180°.
180°-40°=140°
Answer:
63 degrees
Step-by-step explanation:
add 4x + 23 and 6x + 7, then equal that to 130. When you find x, plug it into 4x+23 and get 63.