9[9-(-9x-7)]=162x+207

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Solution for 9[9-(-9x-7)]=162x+207 equation:


Simplifying
9[9 + -1(-9x + -7)] = 162x + 207

Reorder the terms:
9[9 + -1(-7 + -9x)] = 162x + 207
9[9 + (-7 * -1 + -9x * -1)] = 162x + 207
9[9 + (7 + 9x)] = 162x + 207

Combine like terms: 9 + 7 = 16
9[16 + 9x] = 162x + 207
[16 * 9 + 9x * 9] = 162x + 207
[144 + 81x] = 162x + 207

Reorder the terms:
144 + 81x = 207 + 162x

Solving
144 + 81x = 207 + 162x

Solving for variable 'x'.

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

Add '-162x' to each side of the equation.
144 + 81x + -162x = 207 + 162x + -162x

Combine like terms: 81x + -162x = -81x
144 + -81x = 207 + 162x + -162x

Combine like terms: 162x + -162x = 0
144 + -81x = 207 + 0
144 + -81x = 207

Add '-144' to each side of the equation.
144 + -144 + -81x = 207 + -144

Combine like terms: 144 + -144 = 0
0 + -81x = 207 + -144
-81x = 207 + -144

Combine like terms: 207 + -144 = 63
-81x = 63

Divide each side by '-81'.
x = -0.7777777778

Simplifying
x = -0.7777777778

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