9[5-(-4x-9)]=72x+207

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Solution for 9[5-(-4x-9)]=72x+207 equation:


Simplifying
9[5 + -1(-4x + -9)] = 72x + 207

Reorder the terms:
9[5 + -1(-9 + -4x)] = 72x + 207
9[5 + (-9 * -1 + -4x * -1)] = 72x + 207
9[5 + (9 + 4x)] = 72x + 207

Combine like terms: 5 + 9 = 14
9[14 + 4x] = 72x + 207
[14 * 9 + 4x * 9] = 72x + 207
[126 + 36x] = 72x + 207

Reorder the terms:
126 + 36x = 207 + 72x

Solving
126 + 36x = 207 + 72x

Solving for variable 'x'.

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

Add '-72x' to each side of the equation.
126 + 36x + -72x = 207 + 72x + -72x

Combine like terms: 36x + -72x = -36x
126 + -36x = 207 + 72x + -72x

Combine like terms: 72x + -72x = 0
126 + -36x = 207 + 0
126 + -36x = 207

Add '-126' to each side of the equation.
126 + -126 + -36x = 207 + -126

Combine like terms: 126 + -126 = 0
0 + -36x = 207 + -126
-36x = 207 + -126

Combine like terms: 207 + -126 = 81
-36x = 81

Divide each side by '-36'.
x = -2.25

Simplifying
x = -2.25

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