9[8-(-3x-9)]=81x+315

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Solution for 9[8-(-3x-9)]=81x+315 equation:


Simplifying
9[8 + -1(-3x + -9)] = 81x + 315

Reorder the terms:
9[8 + -1(-9 + -3x)] = 81x + 315
9[8 + (-9 * -1 + -3x * -1)] = 81x + 315
9[8 + (9 + 3x)] = 81x + 315

Combine like terms: 8 + 9 = 17
9[17 + 3x] = 81x + 315
[17 * 9 + 3x * 9] = 81x + 315
[153 + 27x] = 81x + 315

Reorder the terms:
153 + 27x = 315 + 81x

Solving
153 + 27x = 315 + 81x

Solving for variable 'x'.

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

Add '-81x' to each side of the equation.
153 + 27x + -81x = 315 + 81x + -81x

Combine like terms: 27x + -81x = -54x
153 + -54x = 315 + 81x + -81x

Combine like terms: 81x + -81x = 0
153 + -54x = 315 + 0
153 + -54x = 315

Add '-153' to each side of the equation.
153 + -153 + -54x = 315 + -153

Combine like terms: 153 + -153 = 0
0 + -54x = 315 + -153
-54x = 315 + -153

Combine like terms: 315 + -153 = 162
-54x = 162

Divide each side by '-54'.
x = -3

Simplifying
x = -3

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