0.8-z=2.1

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Solution for 0.8-z=2.1 equation: 


Simplifying
0.8 + -1z = 2.1

Solving
0.8 + -1z = 2.1

Solving for variable 'z'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + -1z = 2.1 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + -1z = 2.1 + -0.8
-1z = 2.1 + -0.8

Combine like terms: 2.1 + -0.8 = 1.3
-1z = 1.3

Divide each side by '-1'.
z = -1.3

Simplifying
z = -1.3

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