Question

When solving an equation, Gabrielle's first step is shown below. Which property

justifies Gabrielle's first step?

Original Equation:
3(x + -3) = -1

First Step:
3x + -9= -1

1. associative property of multiplication

2. division property of equality
distributive property of multiplication over addition

3. subtraction property of equality

Answer 1

i think 2. division property of equality

distributive property of multiplication over addition