189=-6x+3[-7x-18]

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Solution for 189=-6x+3[-7x-18] equation:


Simplifying
189 = -6x + 3[-7x + -18]

Reorder the terms:
189 = -6x + 3[-18 + -7x]
189 = -6x + [-18 * 3 + -7x * 3]
189 = -6x + [-54 + -21x]

Reorder the terms:
189 = -54 + -6x + -21x

Combine like terms: -6x + -21x = -27x
189 = -54 + -27x

Solving
189 = -54 + -27x

Solving for variable 'x'.

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

Add '27x' to each side of the equation.
189 + 27x = -54 + -27x + 27x

Combine like terms: -27x + 27x = 0
189 + 27x = -54 + 0
189 + 27x = -54

Add '-189' to each side of the equation.
189 + -189 + 27x = -54 + -189

Combine like terms: 189 + -189 = 0
0 + 27x = -54 + -189
27x = -54 + -189

Combine like terms: -54 + -189 = -243
27x = -243

Divide each side by '27'.
x = -9

Simplifying
x = -9

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