Question

(1) (2-1 - 3-1)-1 + (6-1 – 8-1)-1
what is the answer of this simplify??​

Answer 1

Answer:

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

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

-3-1-4-1

-9

Answer 2

Answer:

7

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

3+4

=7

or,

-9

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

-4-5

=-9