Question

What is the coefficient of x in the expression x-2

Answer 1

Answer:In expression x-2 coefficient of x is equal to one.

Let a be "a" x's coefficient.

If we put "a" to Your equation, it should be looks like:

ax-2

We know that there is only one x, so expression ax have to be equal x

Now we get

From this equation we know that coefficient x "a" is equal to 1.