9=12x-6-7x

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Solution for 9=12x-6-7x equation:


Simplifying
9 = 12x + -6 + -7x

Reorder the terms:
9 = -6 + 12x + -7x

Combine like terms: 12x + -7x = 5x
9 = -6 + 5x

Solving
9 = -6 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
9 + -5x = -6 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 + -5x = -6 + 0
9 + -5x = -6

Add '-9' to each side of the equation.
9 + -9 + -5x = -6 + -9

Combine like terms: 9 + -9 = 0
0 + -5x = -6 + -9
-5x = -6 + -9

Combine like terms: -6 + -9 = -15
-5x = -15

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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