In step 2, the property of equality applied was addition property of equality.
In step 4, the property of equality applied was multiplication property of equality.
What is the Addition Property of Equality?
The addition property of equality states that, to move a negative number over to the other side of an equation, add the number to both sides of the equation. For example, given the equation: a - c = b, to move c over to the other side of the equation, add c to both sides of the equation. we will have:
a - c + c = b + c
a = b + c.
What is the Multiplication Property of Equality?
According to the multiplication property of equality, if we have, a/c = b, to isolate a, we would multiply both sides of the equation by c. Thus:
a/c × c = b × c
a = bc
In the table given, in step 2, 6 was added to both sides of the equation. This means the property of equality that was applied was: addition property of equality.
In step 4, both sides of the equation was multiplied by -2. Thus, the property of equality that was applied was: multiplication property of equality.
Learn more about the property of equality on:
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