-3(4-4b)=-84

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Solution for -3(4-4b)=-84 equation: 


Simplifying
-3(4 + -4b) = -84
(4 * -3 + -4b * -3) = -84
(-12 + 12b) = -84

Solving
-12 + 12b = -84

Solving for variable 'b'.

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

Add '12' to each side of the equation.
-12 + 12 + 12b = -84 + 12

Combine like terms: -12 + 12 = 0
0 + 12b = -84 + 12
12b = -84 + 12

Combine like terms: -84 + 12 = -72
12b = -72

Divide each side by '12'.
b = -6

Simplifying
b = -6

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