Angle LOM and angle MON are complementary angles. If m∠LOM = (x + 15)° and m∠MON = 48°, which equation could be used to solve for x?
Since angle LOM and angle MON are complementary angles, their measures sum up to 90 degrees. So, the equation that can be used to solve for x is:
(x + 15) + 48 = 90