Respuesta :
Answer:
B = 59
Explanation:
B+121-121=180-121
simplify the first part of the equation: B=180-121
subtract 121 from 180: B=59
Answer:
B = 59
Explanation:
B+121-121=180-121
simplify the first part of the equation: B=180-121
subtract 121 from 180: B=59