Answer:
b=−12
Step-by-step explanation:
2/3 + (-1/3) = 2/3 - 1/3 = 1/3
Multiplication property of equality
Step-by-step explanation:
We are given that the equation

We have to find the property which was applied to solve the equation.

Reason: Given
Multiply by -8/3 on both sides

By using multiplication property of equality.

After simplification

Answer: Associative
<u>Step-by-step explanation:</u>
Associate is "partner". With this property the parentheses (aka partners) change but the order stays the same.
FYI: If the order changes, that is because a term moved/traveled/commuted to the other side. This is the Commutative property.