Respuesta :
Answer:
-40
Step-by-step explanation:
5 ( a - 4b ) when a = -7 and b = 1/4
→ Substitute a and b in
5 ( -7 - 4 × ( 1 / 4 ) )
→ Simplify the multiplication
5 ( -7 - 1 )
→ Perform the operation -7 - 1
5 ( - 8 )
→ Perform the operation 5 × -8
-40