8-5z=28

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Solution for 8-5z=28 equation: 


Simplifying
8 + -5z = 28

Solving
8 + -5z = 28

Solving for variable 'z'.

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

Add '-8' to each side of the equation.
8 + -8 + -5z = 28 + -8

Combine like terms: 8 + -8 = 0
0 + -5z = 28 + -8
-5z = 28 + -8

Combine like terms: 28 + -8 = 20
-5z = 20

Divide each side by '-5'.
z = -4

Simplifying
z = -4

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