By which property are $9x=-27$9x=−27 and $\frac{9x}{9}=\frac{-27}{9}$9x9=−279 equivalent equations?
Multiplication property of equality.
Addition property of equality.
Fill in the blank so that the resulting statement is true.
Fill in the blank so that the resulting statement is true.
Consider the true expression:
If $AB=CD$AB=CD then $CD=AB$CD=AB
Which of the following properties does this illustrate?