-9(x-1)=81

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Solution for -9(x-1)=81 equation: 


Simplifying
-9(x + -1) = 81

Reorder the terms:
-9(-1 + x) = 81
(-1 * -9 + x * -9) = 81
(9 + -9x) = 81

Solving
9 + -9x = 81

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -9x = 81 + -9

Combine like terms: 9 + -9 = 0
0 + -9x = 81 + -9
-9x = 81 + -9

Combine like terms: 81 + -9 = 72
-9x = 72

Divide each side by '-9'.
x = -8

Simplifying
x = -8

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