a+ab-a-b=

Solution for a+ab-a-b= equation:

Simplifying
a + ab + -1a + -1b = 0

Reorder the terms:
a + -1a + ab + -1b = 0

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

Solving
ab + -1b = 0

Solving for variable 'a'.

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

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

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

Divide each side by 'b'.
a = 1

Simplifying
a = 1