(a-2b)-(a-b)=

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Solution for (a-2b)-(a-b)= equation:


Simplifying
(a + -2b) + -1(a + -1b) = 0

Remove parenthesis around (a + -2b)
a + -2b + -1(a + -1b) = 0
a + -2b + (a * -1 + -1b * -1) = 0
a + -2b + (-1a + 1b) = 0

Reorder the terms:
a + -1a + -2b + 1b = 0

Combine like terms: a + -1a = 0
0 + -2b + 1b = 0
-2b + 1b = 0

Combine like terms: -2b + 1b = -1b
-1b = 0

Solving
-1b = 0

Solving for variable 'b'.

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

Divide each side by '-1'.
b = 0

Simplifying
b = 0

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