Can someone me with this ? jerry is going to update his wooden pool deck. he wants to buy the stain but first needs to find out how much he will need. 1. what is the area of the deck?

Find the mistake made in the steps to solve the equation below. a. the justification for step 2 is incorrect and should be the subtraction property of equality. b. step 2 is incorrect and should be . c. step 3 is incorrect and should be . d. the justification for step 3 is incorrect and should be the multiplication property of equality.