(a-b)=(b-a)

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


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

Remove parenthesis around (a + -1b)
a + -1b = (b + -1a)

Reorder the terms:
a + -1b = (-1a + b)

Remove parenthesis around (-1a + b)
a + -1b = -1a + b

Solving
a + -1b = -1a + b

Solving for variable 'a'.

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

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

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

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

Add 'b' to each side of the equation.
2a + -1b + b = b + b

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

Combine like terms: b + b = 2b
2a = 2b

Divide each side by '2'.
a = b

Simplifying
a = b

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