Modes of RepresentationEquivalent EquationsEquations that have the same solution set. Converting an equation to solve it produces equivalent equations. Systems of equations may also be equivalent if they have the same solution set. Symbol The equivalence of equations is indicated by using the logical equivalence symbol "⇔", which is read "is equivalent to". Example The equations 5x – 6 = 3x + 2 and x = 4 are equivalent equations. This can be written as 5x – 6 = 3x + 2 ⇔ x = 4.
