ab-x=a

Solution for ab-x=a equation:

Simplifying
ab + -1x = a

Solving
ab + -1x = a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-1a' to each side of the equation.
ab + -1a + -1x = a + -1a

Reorder the terms:
-1a + ab + -1x = a + -1a

Combine like terms: a + -1a = 0
-1a + ab + -1x = 0

Add 'x' to each side of the equation.
-1a + ab + -1x + x = 0 + x

Combine like terms: -1x + x = 0
-1a + ab + 0 = 0 + x
-1a + ab = 0 + x
Remove the zero:
-1a + ab = x

Combine like terms: x + -1x = 0
-1a + ab + -1x = 0

The solution to this equation could not be determined.