.8x-4=3.2

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Solution for .8x-4=3.2 equation: 


Simplifying
0.8x + -4 = 3.2

Reorder the terms:
-4 + 0.8x = 3.2

Solving
-4 + 0.8x = 3.2

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 0.8x = 3.2 + 4

Combine like terms: -4 + 4 = 0
0 + 0.8x = 3.2 + 4
0.8x = 3.2 + 4

Combine like terms: 3.2 + 4 = 7.2
0.8x = 7.2

Divide each side by '0.8'.
x = 9

Simplifying
x = 9

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