.8z-10=-2

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Solution for .8z-10=-2 equation: 


Simplifying
0.8z + -10 = -2

Reorder the terms:
-10 + 0.8z = -2

Solving
-10 + 0.8z = -2

Solving for variable 'z'.

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

Add '10' to each side of the equation.
-10 + 10 + 0.8z = -2 + 10

Combine like terms: -10 + 10 = 0
0 + 0.8z = -2 + 10
0.8z = -2 + 10

Combine like terms: -2 + 10 = 8
0.8z = 8

Divide each side by '0.8'.
z = 10

Simplifying
z = 10

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