4[9-(-6x-9)]=120x+216

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Solution for 4[9-(-6x-9)]=120x+216 equation:


Simplifying
4[9 + -1(-6x + -9)] = 120x + 216

Reorder the terms:
4[9 + -1(-9 + -6x)] = 120x + 216
4[9 + (-9 * -1 + -6x * -1)] = 120x + 216
4[9 + (9 + 6x)] = 120x + 216

Combine like terms: 9 + 9 = 18
4[18 + 6x] = 120x + 216
[18 * 4 + 6x * 4] = 120x + 216
[72 + 24x] = 120x + 216

Reorder the terms:
72 + 24x = 216 + 120x

Solving
72 + 24x = 216 + 120x

Solving for variable 'x'.

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

Add '-120x' to each side of the equation.
72 + 24x + -120x = 216 + 120x + -120x

Combine like terms: 24x + -120x = -96x
72 + -96x = 216 + 120x + -120x

Combine like terms: 120x + -120x = 0
72 + -96x = 216 + 0
72 + -96x = 216

Add '-72' to each side of the equation.
72 + -72 + -96x = 216 + -72

Combine like terms: 72 + -72 = 0
0 + -96x = 216 + -72
-96x = 216 + -72

Combine like terms: 216 + -72 = 144
-96x = 144

Divide each side by '-96'.
x = -1.5

Simplifying
x = -1.5

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