W=-18 since half of 18 is 9 then -18 is -9
It depends on what number the variable B is
It would be 19 for 9+10=19
what do you mean by "add the same again to then number it equals"?
it's 25,000,000,000,000
I couldn't find a
Thank you very much
it's 19
it equals 4
+196 