-3(-4-b)=3(b-4)

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Solution for -3(-4-b)=3(b-4) equation: 


Simplifying
-3(-4 + -1b) = 3(b + -4)
(-4 * -3 + -1b * -3) = 3(b + -4)
(12 + 3b) = 3(b + -4)

Reorder the terms:
12 + 3b = 3(-4 + b)
12 + 3b = (-4 * 3 + b * 3)
12 + 3b = (-12 + 3b)

Add '-3b' to each side of the equation.
12 + 3b + -3b = -12 + 3b + -3b

Combine like terms: 3b + -3b = 0
12 + 0 = -12 + 3b + -3b
12 = -12 + 3b + -3b

Combine like terms: 3b + -3b = 0
12 = -12 + 0
12 = -12

Solving
12 = -12

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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