-.4x+6.4=8

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Solution for -.4x+6.4=8 equation: 


Simplifying
-0.4x + 6.4 = 8

Reorder the terms:
6.4 + -0.4x = 8

Solving
6.4 + -0.4x = 8

Solving for variable 'x'.

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

Add '-6.4' to each side of the equation.
6.4 + -6.4 + -0.4x = 8 + -6.4

Combine like terms: 6.4 + -6.4 = 0.0
0.0 + -0.4x = 8 + -6.4
-0.4x = 8 + -6.4

Combine like terms: 8 + -6.4 = 1.6
-0.4x = 1.6

Divide each side by '-0.4'.
x = -4

Simplifying
x = -4

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