-3x-12=16

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Solution for -3x-12=16 equation: 


Simplifying
-3x + -12 = 16

Reorder the terms:
-12 + -3x = 16

Solving
-12 + -3x = 16

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 + -3x = 16 + 12

Combine like terms: -12 + 12 = 0
0 + -3x = 16 + 12
-3x = 16 + 12

Combine like terms: 16 + 12 = 28
-3x = 28

Divide each side by '-3'.
x = -9.333333333

Simplifying
x = -9.333333333

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