Respuesta :

Answer:

×=7 or ×= ⅓ or ×=¼

Step-by-step explanation:

12׳ - 91ײ + 50× -7=0

(× -7)(3×- 1)(4×-1)=0

×-7=0 or 3× -1 =0 or 4× -1 = 0

×=7 or × =⅓ or ×=¼