-5x-9=12

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Solution for -5x-9=12 equation: 


Simplifying
-5x + -9 = 12

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

Solving
-9 + -5x = 12

Solving for variable 'x'.

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

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

Combine like terms: -9 + 9 = 0
0 + -5x = 12 + 9
-5x = 12 + 9

Combine like terms: 12 + 9 = 21
-5x = 21

Divide each side by '-5'.
x = -4.2

Simplifying
x = -4.2

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