12x-6=3x+9

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Solution for 12x-6=3x+9 equation:


Simplifying
12x + -6 = 3x + 9

Reorder the terms:
-6 + 12x = 3x + 9

Reorder the terms:
-6 + 12x = 9 + 3x

Solving
-6 + 12x = 9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-6 + 12x + -3x = 9 + 3x + -3x

Combine like terms: 12x + -3x = 9x
-6 + 9x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-6 + 9x = 9 + 0
-6 + 9x = 9

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

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

Combine like terms: 9 + 6 = 15
9x = 15

Divide each side by '9'.
x = 1.666666667

Simplifying
x = 1.666666667

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