Respuesta :

MisakoZ

Answer:

C = 65

Step-by-step explanation:

A + B = 180

(2x) + (3x - 20) = 180

5x - 20 = 180

5x = 200

x = 40

Substitute for 32 in for x:

2x - 15 = C

2(40) - 15 = C

80 - 15 = C

65 = C