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

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


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

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

Combine like terms: 12x + x = 13x
9 + 13x = -6x + -15

Reorder the terms:
9 + 13x = -15 + -6x

Solving
9 + 13x = -15 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
9 + 13x + 6x = -15 + -6x + 6x

Combine like terms: 13x + 6x = 19x
9 + 19x = -15 + -6x + 6x

Combine like terms: -6x + 6x = 0
9 + 19x = -15 + 0
9 + 19x = -15

Add '-9' to each side of the equation.
9 + -9 + 19x = -15 + -9

Combine like terms: 9 + -9 = 0
0 + 19x = -15 + -9
19x = -15 + -9

Combine like terms: -15 + -9 = -24
19x = -24

Divide each side by '19'.
x = -1.263157895

Simplifying
x = -1.263157895

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