.4x-2.8=.4

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Solution for .4x-2.8=.4 equation: 


Simplifying
0.4x + -2.8 = 0.4

Reorder the terms:
-2.8 + 0.4x = 0.4

Solving
-2.8 + 0.4x = 0.4

Solving for variable 'x'.

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

Add '2.8' to each side of the equation.
-2.8 + 2.8 + 0.4x = 0.4 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + 0.4x = 0.4 + 2.8
0.4x = 0.4 + 2.8

Combine like terms: 0.4 + 2.8 = 3.2
0.4x = 3.2

Divide each side by '0.4'.
x = 8

Simplifying
x = 8

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