Question

I want a step by step explanation.
if you give the correct answer I will mark you as the brainliest.​

Answer 1

Step-by-step explanation:

11-[7-{5-3(9-9)}]

11-[7-{5-3*0}]

11-[7-{5-0}]

11-[7-5]

11-2

9

Answer 2

Answer:

54

Step-by-step explanation:

11-[7-{5-3(9-(-9)}]

11-[7-{5-3(18)}]

11-[7-{36}]

11-[43]

54

Hope it is helpful