3.2x-4=0.8(5-x)

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Solution for 3.2x-4=0.8(5-x) equation:


Simplifying
3.2x + -4 = 0.8(5 + -1x)

Reorder the terms:
-4 + 3.2x = 0.8(5 + -1x)
-4 + 3.2x = (5 * 0.8 + -1x * 0.8)
-4 + 3.2x = (4 + -0.8x)

Solving
-4 + 3.2x = 4 + -0.8x

Solving for variable 'x'.

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

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

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

Combine like terms: -0.8x + 0.8x = 0.0
-4 + 4x = 4 + 0.0
-4 + 4x = 4

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

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

Combine like terms: 4 + 4 = 8
4x = 8

Divide each side by '4'.
x = 2

Simplifying
x = 2

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