3-4x+-8x=9

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Solution for 3-4x+-8x=9 equation: 


Simplifying
3 + -4x + -8x = 9

Combine like terms: -4x + -8x = -12x
3 + -12x = 9

Solving
3 + -12x = 9

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -12x = 9 + -3

Combine like terms: 3 + -3 = 0
0 + -12x = 9 + -3
-12x = 9 + -3

Combine like terms: 9 + -3 = 6
-12x = 6

Divide each side by '-12'.
x = -0.5

Simplifying
x = -0.5

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