Question

(+5)+(+3)=+8 and (-5)+(-3)=-8

Answer 1

we know that -,-=+ +-=-5+-3=-8

Answer 2

+5=5
+3=3
Then 5+3 =8 8=+8
+- is -
So -5 +- 3=-5-3
Add the no. 5 and 3 that is 8 and put minus sign i front of it
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