The best definition of the substitution property of equality is " The property that states that you can substitute a certain value into an expression and a true statement will result"
The substitution property states that if value of variable x is equal to the value of the variable y, then y can be substitute in the place of the x.
In other words if the value of a is equal to the value of b, and the value of b is equal to the value of c, then the value of a will be equal to c. then a can substitute in the place of b and c and vice versa.
Hence, the best definition of the substitution property of equality is " The property that states that you can substitute a certain value into an expression and a true statement will result"
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