ActiveTIME REMAINING01:59:33Alberto uses the steps below to solve the equationWhich justifies Step 6 of his work?3* - 3 =the addition property of equalitythe identity property of additionthe multiplication property of equalitythe identity property of multiplicationStep 1:x - 3 + 3 = 7 + 3Step 2:=x + 0 = 10Step 3:x =Step 4: 2(_)* = 2(10)Step 5: 1x = 20Step 6: x = 20