Please put your question in a complete sentence so someone can understand it and know what you are asking.
According to my calculations about 7.0.
Seven
It is plus 2,
5+5+5+2 = 17
No, 21- (5 plus 2) does NOT equal 23.
IN 1984
38
5 + 3 * ( 5 - 2) ^ 2
2+3=5.
No, 1 + 2 + 3 + 4 + 5 = 15.
-5 + 3 = -2
-5-1 plus 4 plus 2-6 plus 4 is equal to -2
3....
Yes.