15-3x=(-9)

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Solution for 15-3x=(-9) equation: 


Simplifying
15 + -3x = (-9)
15 + -3x = -9

Solving
15 + -3x = -9

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -3x = -9 + -15

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

Combine like terms: -9 + -15 = -24
-3x = -24

Divide each side by '-3'.
x = 8

Simplifying
x = 8

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