-0.2z-0.9=-3.1

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Solution for -0.2z-0.9=-3.1 equation: 


Simplifying
-0.2z + -0.9 = -3.1

Reorder the terms:
-0.9 + -0.2z = -3.1

Solving
-0.9 + -0.2z = -3.1

Solving for variable 'z'.

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

Add '0.9' to each side of the equation.
-0.9 + 0.9 + -0.2z = -3.1 + 0.9

Combine like terms: -0.9 + 0.9 = 0.0
0.0 + -0.2z = -3.1 + 0.9
-0.2z = -3.1 + 0.9

Combine like terms: -3.1 + 0.9 = -2.2
-0.2z = -2.2

Divide each side by '-0.2'.
z = 11

Simplifying
z = 11

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