Dan solves 6p=5-3p in the way shown below. which properties did dan use for step 1 and step 2?

Both the addition property of equality and the additive identity property

Step-by-step explanation:

we know that

The addition property of equality states that if the same amount is added to both sides of an equation, then the equality is still true

The additive identity property says that if you add a real number to zero or add zero to a real number, then you get the same real number back

we have

step 1

Applying the addition property of equality adds 3p both sides

step 2

Applying the additive identity property

step 3

step 4

$20.01

step-by-step explanation:

the sale price is (1.00 - 0.77)($87), or 0.23($87), or $20.01.