3(-x)=81

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Solution for 3(-x)=81 equation: 


Simplifying
3(-1x) = 81

Remove parenthesis around (-1x)
3 * -1x = 81

Multiply 3 * -1
-3x = 81

Solving
-3x = 81

Solving for variable 'x'.

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

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

Simplifying
x = -27

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