mimi131993 mimi131993

26-09-2022
Mathematics

Answered

When solving an equation, Carmen's first
step is shown below. Which property
justifies Carmen's first step?
Original Equation:
21(x² + 2)
3
- 2: -9x² +2
=
First Step:
7(x² + 2) − 2 = −9x² + 2
commutative property of
multiplication
division property of equality
associative property of multiplication
commutative property of addition

Answer :

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