12x+9=8x-2

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Solution for 12x+9=8x-2 equation:


Simplifying
12x + 9 = 8x + -2

Reorder the terms:
9 + 12x = 8x + -2

Reorder the terms:
9 + 12x = -2 + 8x

Solving
9 + 12x = -2 + 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 = -2 + 8x + -8x

Combine like terms: 12x + -8x = 4x
9 + 4x = -2 + 8x + -8x

Combine like terms: 8x + -8x = 0
9 + 4x = -2 + 0
9 + 4x = -2

Add '-9' to each side of the equation.
9 + -9 + 4x = -2 + -9

Combine like terms: 9 + -9 = 0
0 + 4x = -2 + -9
4x = -2 + -9

Combine like terms: -2 + -9 = -11
4x = -11

Divide each side by '4'.
x = -2.75

Simplifying
x = -2.75

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