-.4z-4=3.85

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Solution for -.4z-4=3.85 equation: 


Simplifying
-0.4z + -4 = 3.85

Reorder the terms:
-4 + -0.4z = 3.85

Solving
-4 + -0.4z = 3.85

Solving for variable 'z'.

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

Add '4' to each side of the equation.
-4 + 4 + -0.4z = 3.85 + 4

Combine like terms: -4 + 4 = 0
0 + -0.4z = 3.85 + 4
-0.4z = 3.85 + 4

Combine like terms: 3.85 + 4 = 7.85
-0.4z = 7.85

Divide each side by '-0.4'.
z = -19.625

Simplifying
z = -19.625

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