0.8(x-4)=12.8

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Solution for 0.8(x-4)=12.8 equation: 


Simplifying
0.8(x + -4) = 12.8

Reorder the terms:
0.8(-4 + x) = 12.8
(-4 * 0.8 + x * 0.8) = 12.8
(-3.2 + 0.8x) = 12.8

Solving
-3.2 + 0.8x = 12.8

Solving for variable 'x'.

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

Add '3.2' to each side of the equation.
-3.2 + 3.2 + 0.8x = 12.8 + 3.2

Combine like terms: -3.2 + 3.2 = 0.0
0.0 + 0.8x = 12.8 + 3.2
0.8x = 12.8 + 3.2

Combine like terms: 12.8 + 3.2 = 16
0.8x = 16

Divide each side by '0.8'.
x = 20

Simplifying
x = 20

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