0=.8x+4

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Solution for 0=.8x+4 equation: 


Simplifying
0 = 0.8x + 4

Reorder the terms:
0 = 4 + 0.8x

Solving
0 = 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.
0 + -0.8x = 4 + 0.8x + -0.8x
Remove the zero:
-0.8x = 4 + 0.8x + -0.8x

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

Divide each side by '-0.8'.
x = -5

Simplifying
x = -5

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