Question

5. Simplify: (5-1 +9-)-1 +(5-1-9-)-1​

Answer 1

Answer:

solution is 18

Step-by-step explanation:

(5-1+9)-1+(5-1-9)-1

=> (13)-1+(5)-1

=>(-13)+(-5)

=> 18.

Answer 2

Answer = 9

Step-by-step explanation:

So first convert all extra sign

(5-1+9)+1(5-1-9)+1

Now solve bracket first

12+1-4

9