-(ab)=(-a)b

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


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

Remove parenthesis around (-1a)
-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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