The following is a model showing the solution to an equation.

Question

x - 34 = 13

x - 34 + 34 = 13 + 34

x = 47

What property of equality was used to solve the equation?

multiplication
subtraction
addition
division

Answer 1

The property of equality used to solve the equation $x-34=13$ by adding 34 to both sides is the addition property of equality. This property states that if you add the same value to both sides of an equation, the two sides remain equal.