12=-6x+7x+9

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


Simplifying
12 = -6x + 7x + 9

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

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

Solving
12 = 9 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
12 + -1x = 9 + 1x + -1x

Combine like terms: 1x + -1x = 0
12 + -1x = 9 + 0
12 + -1x = 9

Add '-12' to each side of the equation.
12 + -12 + -1x = 9 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 9 + -12
-1x = 9 + -12

Combine like terms: 9 + -12 = -3
-1x = -3

Divide each side by '-1'.
x = 3

Simplifying
x = 3

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