109-6x=12x+21

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Solution for 109-6x=12x+21 equation:


Simplifying
109 + -6x = 12x + 21

Reorder the terms:
109 + -6x = 21 + 12x

Solving
109 + -6x = 21 + 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.
109 + -6x + -12x = 21 + 12x + -12x

Combine like terms: -6x + -12x = -18x
109 + -18x = 21 + 12x + -12x

Combine like terms: 12x + -12x = 0
109 + -18x = 21 + 0
109 + -18x = 21

Add '-109' to each side of the equation.
109 + -109 + -18x = 21 + -109

Combine like terms: 109 + -109 = 0
0 + -18x = 21 + -109
-18x = 21 + -109

Combine like terms: 21 + -109 = -88
-18x = -88

Divide each side by '-18'.
x = 4.888888889

Simplifying
x = 4.888888889

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