Question

A teacher asked the class to solve the equation 3(x+2)=21. Robert wrote 3x+6=26as his first step. Which property did he use

Answer 1

Distributive Property of Multiplication over Addition

Explanation:

The Distributive Property of Multiplication over Addition states that a(b+c) is equal to ab + ac. You can also just call it Distributive Property, but there are different categories inside it, such as Multiplication over Addition and Multiplication over Subtraction.