Respuesta :
1. Simplify 100 = (2x - 4) + 50
x = 27
2. Complementary mean the angles equal 90 degrees when added, so
90 = 2x + 4x
x = 15
1. Simplify 100 = (2x - 4) + 50
x = 27
2. Complementary mean the angles equal 90 degrees when added, so
90 = 2x + 4x
x = 15