Sagot :
if you will follow thw rule PFEMDAS the answer would be 20
solution:
16-4+8 (according to the rulr addition must come first
-4+8(carry the sign minus before the digit 4)
(positive) 4 is the answer
so 16 +4 is equals to 20
solution:
16-4+8 (according to the rulr addition must come first
-4+8(carry the sign minus before the digit 4)
(positive) 4 is the answer
so 16 +4 is equals to 20