81=-2x-3(-2x-11)

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Solution for 81=-2x-3(-2x-11) equation:


Simplifying
81 = -2x + -3(-2x + -11)

Reorder the terms:
81 = -2x + -3(-11 + -2x)
81 = -2x + (-11 * -3 + -2x * -3)
81 = -2x + (33 + 6x)

Reorder the terms:
81 = 33 + -2x + 6x

Combine like terms: -2x + 6x = 4x
81 = 33 + 4x

Solving
81 = 33 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
81 + -4x = 33 + 4x + -4x

Combine like terms: 4x + -4x = 0
81 + -4x = 33 + 0
81 + -4x = 33

Add '-81' to each side of the equation.
81 + -81 + -4x = 33 + -81

Combine like terms: 81 + -81 = 0
0 + -4x = 33 + -81
-4x = 33 + -81

Combine like terms: 33 + -81 = -48
-4x = -48

Divide each side by '-4'.
x = 12

Simplifying
x = 12

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