The equation soild plus gas equals a liquid
A quadratic equation.
That's the equation.
Iron plus chlorine equals Iron chloride is the word equation.
oh- plus 2h+ equals 2h2o is the net ionic equation.
cacl2 plus na2s equals cas plus
x = 0 and y = 4
A linear equation.
Acid plus alkali equals salt plus water.
The summary equation is the formula equation. Sugar equals alcohol plus carbon dioxide. The formula is C6H12O6 which equals 2 CH3CH2OH plus 2 CO2.
That word "equals" in there makes it an equation.
It is an equation.