3x+12-0.8=3.4-0.8-9.4

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Solution for 3x+12-0.8=3.4-0.8-9.4 equation: 


Simplifying
3x + 12 + -0.8 = 3.4 + -0.8 + -9.4

Reorder the terms:
12 + -0.8 + 3x = 3.4 + -0.8 + -9.4

Combine like terms: 12 + -0.8 = 11.2
11.2 + 3x = 3.4 + -0.8 + -9.4

Combine like terms: 3.4 + -0.8 = 2.6
11.2 + 3x = 2.6 + -9.4

Combine like terms: 2.6 + -9.4 = -6.8
11.2 + 3x = -6.8

Solving
11.2 + 3x = -6.8

Solving for variable 'x'.

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

Add '-11.2' to each side of the equation.
11.2 + -11.2 + 3x = -6.8 + -11.2

Combine like terms: 11.2 + -11.2 = 0.0
0.0 + 3x = -6.8 + -11.2
3x = -6.8 + -11.2

Combine like terms: -6.8 + -11.2 = -18
3x = -18

Divide each side by '3'.
x = -6

Simplifying
x = -6

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