.4x-.8=x+4

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Solution for .4x-.8=x+4 equation:


Simplifying
0.4x + -0.8 = x + 4

Reorder the terms:
-0.8 + 0.4x = x + 4

Reorder the terms:
-0.8 + 0.4x = 4 + x

Solving
-0.8 + 0.4x = 4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-0.8 + 0.4x + -1x = 4 + x + -1x

Combine like terms: 0.4x + -1x = -0.6x
-0.8 + -0.6x = 4 + x + -1x

Combine like terms: x + -1x = 0
-0.8 + -0.6x = 4 + 0
-0.8 + -0.6x = 4

Add '0.8' to each side of the equation.
-0.8 + 0.8 + -0.6x = 4 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.0 + -0.6x = 4 + 0.8
-0.6x = 4 + 0.8

Combine like terms: 4 + 0.8 = 4.8
-0.6x = 4.8

Divide each side by '-0.6'.
x = -8

Simplifying
x = -8

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