Suppose you have an equation that says a = b. Which of these is true according to the addition property of equality?
If you multiply both sides of the equation by 0, the expressions will still be equal.
If you subtract 7 from both sides of the equation, the expressions will still be equal.
If you divide both sides of the equation by 1, the expressions will still be equal.
If you add 6 to both sides of the equation, the expressions will still be equal.