12-x=6x+9

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


Simplifying
12 + -1x = 6x + 9

Reorder the terms:
12 + -1x = 9 + 6x

Solving
12 + -1x = 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.
12 + -1x + -6x = 9 + 6x + -6x

Combine like terms: -1x + -6x = -7x
12 + -7x = 9 + 6x + -6x

Combine like terms: 6x + -6x = 0
12 + -7x = 9 + 0
12 + -7x = 9

Add '-12' to each side of the equation.
12 + -12 + -7x = 9 + -12

Combine like terms: 12 + -12 = 0
0 + -7x = 9 + -12
-7x = 9 + -12

Combine like terms: 9 + -12 = -3
-7x = -3

Divide each side by '-7'.
x = 0.4285714286

Simplifying
x = 0.4285714286

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