What is 5x - 12?

The expression 5x - 12 is a linear expression in one variable, x. It represents the result of multiplying the variable x by 5 and then subtracting 12 from this product. The leading coefficient is 5, which indicates that the expression has a positive slope. The constant term is -12, which means that the graph of the expression will intersect the y-axis at y = -12. Depending on the value of x, the expression can take on positive or negative values, or it may equal zero if x is equal to 12/5.