I use "equals" or "is".
Iron plus chlorine equals Iron chloride is the word equation.
That word "equals" in there makes it an equation.
Quadratic equation formula
X = 11.5
He did that equation very quickly.
Carbon dioxide plus water equals carbonic acid.
Use the quadratic equation formula to find the solutions to this equation.
Three times twenty five equals seventy five.
12/3 = 4
There was no word problem, so it would be a null equation.
using the t-table determine 3 solutions to this equation: y equals 2x