a)

To solve the equation , start by isolating . Subtract from both sides of the equation, leading to . This simplifies to , which equals 1. So, the solution is .

Looking at equations like this one, it’s intriguing to note that they embody the foundation of algebra, demonstrating how relationships can be simplified. This is a key skill in understanding the language of mathematics, akin to deciphering a secret code!

In practical terms, mastering such simple equations can enhance your problem-solving abilities in everyday life, from budgeting to planning events. Think of these equations as mini-challenges you can conquer, giving you the confidence to tackle more complex scenarios down the line. Keep practicing!