12x-189=6x-9

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Solution for 12x-189=6x-9 equation:


Simplifying
12x + -189 = 6x + -9

Reorder the terms:
-189 + 12x = 6x + -9

Reorder the terms:
-189 + 12x = -9 + 6x

Solving
-189 + 12x = -9 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-189 + 12x + -6x = -9 + 6x + -6x

Combine like terms: 12x + -6x = 6x
-189 + 6x = -9 + 6x + -6x

Combine like terms: 6x + -6x = 0
-189 + 6x = -9 + 0
-189 + 6x = -9

Add '189' to each side of the equation.
-189 + 189 + 6x = -9 + 189

Combine like terms: -189 + 189 = 0
0 + 6x = -9 + 189
6x = -9 + 189

Combine like terms: -9 + 189 = 180
6x = 180

Divide each side by '6'.
x = 30

Simplifying
x = 30

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