12=-3(24-b)+3(b-4)

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Solution for 12=-3(24-b)+3(b-4) equation:


Simplifying
12 = -3(24 + -1b) + 3(b + -4)
12 = (24 * -3 + -1b * -3) + 3(b + -4)
12 = (-72 + 3b) + 3(b + -4)

Reorder the terms:
12 = -72 + 3b + 3(-4 + b)
12 = -72 + 3b + (-4 * 3 + b * 3)
12 = -72 + 3b + (-12 + 3b)

Reorder the terms:
12 = -72 + -12 + 3b + 3b

Combine like terms: -72 + -12 = -84
12 = -84 + 3b + 3b

Combine like terms: 3b + 3b = 6b
12 = -84 + 6b

Solving
12 = -84 + 6b

Solving for variable 'b'.

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

Add '-6b' to each side of the equation.
12 + -6b = -84 + 6b + -6b

Combine like terms: 6b + -6b = 0
12 + -6b = -84 + 0
12 + -6b = -84

Add '-12' to each side of the equation.
12 + -12 + -6b = -84 + -12

Combine like terms: 12 + -12 = 0
0 + -6b = -84 + -12
-6b = -84 + -12

Combine like terms: -84 + -12 = -96
-6b = -96

Divide each side by '-6'.
b = 16

Simplifying
b = 16

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