The phrase "the difference x less 3 equals 4" translates into a mathematical equation:

$x - 3 = 4$

To solve for $x$, add 3 to both sides of the equation:

$x = 4 + 3$ $x = 7$

Thus, $x = 7$.

Would you like more details or have any other questions?

Here are five related questions to expand on this topic:

1. How would you solve the equation $x + 5 = 12$?
2. What happens if you subtract a negative number in an equation?
3. How can you check if your solution to $x - 3 = 4$ is correct?
4. How do you solve for $x$ if the equation is $2x - 3 = 5$?
5. What is the difference between a linear and a quadratic equation?

Tip: When solving linear equations, always aim to isolate the variable by performing inverse operations (addition, subtraction, multiplication, or division).