What property justifies adding the same number to both sides of x−7=12?
QUESTION
What property justifies multiplying both sides of 5x=9 by 5?
QUESTION
What property justifies adding the same number to both sides of x−7=12?
Tap to flip before you grade
ANSWER
Addition Property of Equality. This property states that adding the same value to both sides of an equation preserves the equality while isolating the variable.