Respuesta :

Answer:

c) step 3

Step-by-step explanation:

7 (y - 10) + 8 - 6 (3 + 1)

y = 13

substitute 13 for y

7 (13 - 10) + 8 - 6 (3 + 1)

solve inside the brackets:

7 (3) + 8 - 6 (4)

multiply:

21 + 8 - 24

solve:

5