20-12x-8=9

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Solution for 20-12x-8=9 equation:


Simplifying
20 + -12x + -8 = 9

Reorder the terms:
20 + -8 + -12x = 9

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

Solving
12 + -12x = 9

Solving for variable 'x'.

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

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

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

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

Divide each side by '-12'.
x = 0.25

Simplifying
x = 0.25

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