x-3.4=-12

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Solution for x-3.4=-12 equation: 


Simplifying
x + -3.4 = -12

Reorder the terms:
-3.4 + x = -12

Solving
-3.4 + x = -12

Solving for variable 'x'.

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

Add '3.4' to each side of the equation.
-3.4 + 3.4 + x = -12 + 3.4

Combine like terms: -3.4 + 3.4 = 0.0
0.0 + x = -12 + 3.4
x = -12 + 3.4

Combine like terms: -12 + 3.4 = -8.6
x = -8.6

Simplifying
x = -8.6

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