15x-9x-12=6

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


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

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

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

Solving
-12 + 6x = 6

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 6x = 6 + 12

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

Combine like terms: 6 + 12 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

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