12x-15=9x-6

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Solution for 12x-15=9x-6 equation:


Simplifying
12x + -15 = 9x + -6

Reorder the terms:
-15 + 12x = 9x + -6

Reorder the terms:
-15 + 12x = -6 + 9x

Solving
-15 + 12x = -6 + 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.
-15 + 12x + -9x = -6 + 9x + -9x

Combine like terms: 12x + -9x = 3x
-15 + 3x = -6 + 9x + -9x

Combine like terms: 9x + -9x = 0
-15 + 3x = -6 + 0
-15 + 3x = -6

Add '15' to each side of the equation.
-15 + 15 + 3x = -6 + 15

Combine like terms: -15 + 15 = 0
0 + 3x = -6 + 15
3x = -6 + 15

Combine like terms: -6 + 15 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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