12x=11x-21

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Solution for 12x=11x-21 equation: 


Simplifying
12x = 11x + -21

Reorder the terms:
12x = -21 + 11x

Solving
12x = -21 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
12x + -11x = -21 + 11x + -11x

Combine like terms: 12x + -11x = 1x
1x = -21 + 11x + -11x

Combine like terms: 11x + -11x = 0
1x = -21 + 0
1x = -21

Divide each side by '1'.
x = -21

Simplifying
x = -21

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