-3x-9+15=0

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Solution for -3x-9+15=0 equation: 


Simplifying
-3x + -9 + 15 = 0

Reorder the terms:
-9 + 15 + -3x = 0

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

Solving
6 + -3x = 0

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + -3x = 0 + -6

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

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

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

Simplifying
x = 2

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