12.6x-2.1x=-189

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Solution for 12.6x-2.1x=-189 equation: 


Simplifying
12.6x + -2.1x = -189

Combine like terms: 12.6x + -2.1x = 10.5x
10.5x = -189

Solving
10.5x = -189

Solving for variable 'x'.

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

Divide each side by '10.5'.
x = -18

Simplifying
x = -18

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