12.6x-21x=-168

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Solution for 12.6x-21x=-168 equation: 


Simplifying
12.6x + -21x = -168

Combine like terms: 12.6x + -21x = -8.4x
-8.4x = -168

Solving
-8.4x = -168

Solving for variable 'x'.

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

Divide each side by '-8.4'.
x = 20

Simplifying
x = 20

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