Respuesta :

Answer:

52

Step-by-step explanation:

3x + 4y

3(12) + 4(4)

36 + 16

52

zarampa

Answer:

The answer is 58 right? NO

The right answer is:

52

Step-by-step explanation:

3x + 4y = z

if:

x = 12

y = 4

then:

3*12 + 4*4 = z

36 + 16 = z

z = 52

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