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<span>Two equations that have the same solution are called equivalent equations e.g. 5 +3 = 2 + 6. And this as we learned in a previous section is shown by the equality sign =. An inverse operation are two operations that undo each other e.g. addition and subtraction or multiplication and division. You can perform the same inverse operation on each side of an equivalent equation without changing the equality.</span>
The value of x is 5
The length of line AB is 5 inches
The length of BC is 15 inches
Answer:

Step-by-step explanation:
Let P denotes principal amount, T denotes time period and R denotes rate of interest.
Amount = 
Amir pits £3035 into a bank account. The account pays 4% compound interest each year.
Put 
Amount = 
Therefore, Amir will have
in the account after 6 years.