will somebody please assist me what is 7x3x2+5-3=k
In this case just do it left to right, as multiplication comes before addition/subtraction. So 7x3x2+5-3=21x2+5-3=42+5-3=47-3=44=k.
7x3=21, 21x2=42, 42+5=47, 47-3=44