Please help asap I needs someone to find the addition property added

d

Step-by-step explanation:

A

Step-by-step explanation:

you can notice that at step 2 9 is added on both sides that is the addition property of equality

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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step-by-step explanation: