.4x=2.8

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Solution for .4x=2.8 equation: 


Simplifying
0.4x = 2.8

Solving
0.4x = 2.8

Solving for variable 'x'.

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

Divide each side by '0.4'.
x = 7

Simplifying
x = 7

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