12x+9=-5x-25

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Solution for 12x+9=-5x-25 equation:


Simplifying
12x + 9 = -5x + -25

Reorder the terms:
9 + 12x = -5x + -25

Reorder the terms:
9 + 12x = -25 + -5x

Solving
9 + 12x = -25 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
9 + 12x + 5x = -25 + -5x + 5x

Combine like terms: 12x + 5x = 17x
9 + 17x = -25 + -5x + 5x

Combine like terms: -5x + 5x = 0
9 + 17x = -25 + 0
9 + 17x = -25

Add '-9' to each side of the equation.
9 + -9 + 17x = -25 + -9

Combine like terms: 9 + -9 = 0
0 + 17x = -25 + -9
17x = -25 + -9

Combine like terms: -25 + -9 = -34
17x = -34

Divide each side by '17'.
x = -2

Simplifying
x = -2

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