Respuesta :
Answer:
14
Step-by-step explanation:
The expression 7-y
when y= -7
becomes by substitution of y with -7
7-(-7) = 7+7 = 14
Answer:
14
Step-by-step explanation:
The expression 7-y
when y= -7
becomes by substitution of y with -7
7-(-7) = 7+7 = 14