Question

If a +b = c and b =5, then a +5=c is known as the propertyA. symmetryB. substitutionC. reflexiveB. transitive

Answer 1

If you have that a number a plus a second number b is equal to a thir number:

a + b = c

An you have the value of one of the numbers above:

b=5

You make a subtitution (replacement) of the given value b=5 to get:

a+5=c