12x-3=9x-9

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


Simplifying
12x + -3 = 9x + -9

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

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

Solving
-3 + 12x = -9 + 9x

Solving for variable 'x'.

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

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

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

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

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

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

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

Divide each side by '3'.
x = -2

Simplifying
x = -2

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