-9x-81=-216

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Solution for -9x-81=-216 equation:


Simplifying
-9x + -81 = -216

Reorder the terms:
-81 + -9x = -216

Solving
-81 + -9x = -216

Solving for variable 'x'.

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

Add '81' to each side of the equation.
-81 + 81 + -9x = -216 + 81

Combine like terms: -81 + 81 = 0
0 + -9x = -216 + 81
-9x = -216 + 81

Combine like terms: -216 + 81 = -135
-9x = -135

Divide each side by '-9'.
x = 15

Simplifying
x = 15

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