3x=9x-(3x-18)

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Solution for 3x=9x-(3x-18) equation:


Simplifying
3x = 9x + -1(3x + -18)

Reorder the terms:
3x = 9x + -1(-18 + 3x)
3x = 9x + (-18 * -1 + 3x * -1)
3x = 9x + (18 + -3x)

Reorder the terms:
3x = 18 + 9x + -3x

Combine like terms: 9x + -3x = 6x
3x = 18 + 6x

Solving
3x = 18 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
3x + -6x = 18 + 6x + -6x

Combine like terms: 3x + -6x = -3x
-3x = 18 + 6x + -6x

Combine like terms: 6x + -6x = 0
-3x = 18 + 0
-3x = 18

Divide each side by '-3'.
x = -6

Simplifying
x = -6

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