12x+9=-8x-1

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Solution for 12x+9=-8x-1 equation:


Simplifying
12x + 9 = -8x + -1

Reorder the terms:
9 + 12x = -8x + -1

Reorder the terms:
9 + 12x = -1 + -8x

Solving
9 + 12x = -1 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
9 + 12x + 8x = -1 + -8x + 8x

Combine like terms: 12x + 8x = 20x
9 + 20x = -1 + -8x + 8x

Combine like terms: -8x + 8x = 0
9 + 20x = -1 + 0
9 + 20x = -1

Add '-9' to each side of the equation.
9 + -9 + 20x = -1 + -9

Combine like terms: 9 + -9 = 0
0 + 20x = -1 + -9
20x = -1 + -9

Combine like terms: -1 + -9 = -10
20x = -10

Divide each side by '20'.
x = -0.5

Simplifying
x = -0.5

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