Without an equality sign it is not an equation but if you mean 18+m = 27 then by deducting 18 from both sides of the equation m = 9
Equal quantities may be added to both sides of a linear equation.
96
32
It is not an equation because there is no equal sign
Without an equality sign it can not be considered to be an equation
2
-64
+6
+6
+33
Equal
Mathematical signs would help.