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 = 15x
189 = 54 + 15x

Solving
189 = 54 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
189 + -15x = 54 + 15x + -15x

Combine like terms: 15x + -15x = 0
189 + -15x = 54 + 0
189 + -15x = 54

Add '-189' to each side of the equation.
189 + -189 + -15x = 54 + -189

Combine like terms: 189 + -189 = 0
0 + -15x = 54 + -189
-15x = 54 + -189

Combine like terms: 54 + -189 = -135
-15x = -135

Divide each side by '-15'.
x = 9

Simplifying
x = 9

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