0.4x+0.8=-0.4

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Solution for 0.4x+0.8=-0.4 equation: 


Simplifying
0.4x + 0.8 = -0.4

Reorder the terms:
0.8 + 0.4x = -0.4

Solving
0.8 + 0.4x = -0.4

Solving for variable 'x'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + 0.4x = -0.4 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + 0.4x = -0.4 + -0.8
0.4x = -0.4 + -0.8

Combine like terms: -0.4 + -0.8 = -1.2
0.4x = -1.2

Divide each side by '0.4'.
x = -3

Simplifying
x = -3

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