Justify the Steps: Step 1: 3(2x-4)=18= Given Step 2: 6x-12=18= [Select] Step 3: 6x=30= [Select] Step 4: x=5= [Select]

5%Step-by-step explanation:The amount is compounded annually for the first year, which means it compounds 10% every year. However, when the bank changes the policy, "semi annual compound" means it's going to compound every six months. Which is just half of the original, it's just divided by 2.

Sorry if I was wrong tho