15x+4-6x=3x-9

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Solution for 15x+4-6x=3x-9 equation:


Simplifying
15x + 4 + -6x = 3x + -9

Reorder the terms:
4 + 15x + -6x = 3x + -9

Combine like terms: 15x + -6x = 9x
4 + 9x = 3x + -9

Reorder the terms:
4 + 9x = -9 + 3x

Solving
4 + 9x = -9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
4 + 9x + -3x = -9 + 3x + -3x

Combine like terms: 9x + -3x = 6x
4 + 6x = -9 + 3x + -3x

Combine like terms: 3x + -3x = 0
4 + 6x = -9 + 0
4 + 6x = -9

Add '-4' to each side of the equation.
4 + -4 + 6x = -9 + -4

Combine like terms: 4 + -4 = 0
0 + 6x = -9 + -4
6x = -9 + -4

Combine like terms: -9 + -4 = -13
6x = -13

Divide each side by '6'.
x = -2.166666667

Simplifying
x = -2.166666667

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