81=3x-4(6x+6)

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Solution for 81=3x-4(6x+6) equation:


Simplifying
81 = 3x + -4(6x + 6)

Reorder the terms:
81 = 3x + -4(6 + 6x)
81 = 3x + (6 * -4 + 6x * -4)
81 = 3x + (-24 + -24x)

Reorder the terms:
81 = -24 + 3x + -24x

Combine like terms: 3x + -24x = -21x
81 = -24 + -21x

Solving
81 = -24 + -21x

Solving for variable 'x'.

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

Add '21x' to each side of the equation.
81 + 21x = -24 + -21x + 21x

Combine like terms: -21x + 21x = 0
81 + 21x = -24 + 0
81 + 21x = -24

Add '-81' to each side of the equation.
81 + -81 + 21x = -24 + -81

Combine like terms: 81 + -81 = 0
0 + 21x = -24 + -81
21x = -24 + -81

Combine like terms: -24 + -81 = -105
21x = -105

Divide each side by '21'.
x = -5

Simplifying
x = -5

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