Nick earned three times as much on his last paycheck as alex did on his if nick earnigs were $351 then how much did alex earn
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equations have an = sign, inequalities do not
A system of equations can have any number of inequalities.
Inequalities are not reflexive. Inequalities are not commutative.
Equations have and can only have a = Inequalities have <, >, greater than or equal to, less than or equal to, or =
It is important to know several techniques for solving equations and inequalities because one may work better than another in a particular situation.