(-a)b=a(-b)

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


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

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

Multiply a * b
-1ab = a(-1b)

Remove parenthesis around (-1b)
-1ab = a * -1b

Reorder the terms for easier multiplication:
-1ab = -1a * b

Multiply a * b
-1ab = -1ab

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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