81=-3x

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Solution for 81=-3x equation:


Simplifying
81 = -3x

Solving
81 = -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
81 + 3x = -3x + 3x

Combine like terms: -3x + 3x = 0
81 + 3x = 0

Add '-81' to each side of the equation.
81 + -81 + 3x = 0 + -81

Combine like terms: 81 + -81 = 0
0 + 3x = 0 + -81
3x = 0 + -81

Combine like terms: 0 + -81 = -81
3x = -81

Divide each side by '3'.
x = -27

Simplifying
x = -27

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