Question

Alicia is solving the equation shown.

− 2( x + 1) + 10 = 4 − 2x

She wrote this as her first step.

x + 1 − 5 = − 2 + x

Which property justifies this first step?

A. additive identity property
B. addition property of equality
C. multiplicative property of zero
D. multiplication property of equality

Answer 1

D.

Explanation:

-2 is divided on both sides of the equation, which is the multiplication property of equality. you aren't adding anything/ multiplying anything by 0