d)

To solve the equation , start by isolating the variable . First, subtract from both sides:

, which simplifies to .

Next, add 8 to both sides to get . Finally, divide both sides by 4 to find !

Now you’ll be a pro at solving equations like this!

This approach is quite handy and widely applicable. You might encounter similar equations during math tests or in real-world scenarios, like budgeting or calculating distances. Knowing how to solve for allows you to make sense of various situations where relationships between quantities are established, making it a valuable skill!