Question

( (2-1 - 3-1)-1 + (6-1 - 8-1)-1​

Answer 1

$( - 3) - 1 + ( - 4) - 1$

$3 + 4 = 7$

please mark as brainlist answer

Answer 2

Answer:

(2-1-3-1)-1+(6-1-8-1)-1

= (2-5)-1+(6-10)-1

= -3-1+(-4)-1

= -4-4-1

= -9

Hence, the answer is: -9