Respuesta :
Answer:
5x+ 30 = 90
Step-by-step explanation:
Complementary angles add to 90 degrees
Add the angles together and set equal to 90
5x+ 30 = 90
Answer:
B. 5x+30 =90
Step-by-step explanation:
complementary angles are a sum of 90
so to find x you need to add up the two angles