-b(-3)=3b

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Solution for -b(-3)=3b equation: 


Simplifying
-1b(-3) = 3b

Reorder the terms for easier multiplication:
-1 * -3b = 3b

Multiply -1 * -3
3b = 3b

Add '-3b' to each side of the equation.
3b + -3b = 3b + -3b

Combine like terms: 3b + -3b = 0
0 = 3b + -3b

Combine like terms: 3b + -3b = 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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