21x=12x-168

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Solution for 21x=12x-168 equation:


Simplifying
21x = 12x + -168

Reorder the terms:
21x = -168 + 12x

Solving
21x = -168 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
21x + -12x = -168 + 12x + -12x

Combine like terms: 21x + -12x = 9x
9x = -168 + 12x + -12x

Combine like terms: 12x + -12x = 0
9x = -168 + 0
9x = -168

Divide each side by '9'.
x = -18.66666667

Simplifying
x = -18.66666667

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