Respuesta :
Answer:
110
Step-by-step explanation:
Substitute x = 4 and y = 7
20 + 2 (3y - 4x)
= 20 + 2 [(3 x 7) - (4 x 4)]
= 20 + 2 (21 - 16)
= 20 + 2 (5)
= 22 (5)
= 110
Answer:
30 (always use .P.E.M.D.A.S.)
Step-by-step explanation:
20+2(3y-4x)
20+2(21-16)
20+2(5)
20+10
30