28+4z=12

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Solution for 28+4z=12 equation: 


Simplifying
28 + 4z = 12

Solving
28 + 4z = 12

Solving for variable 'z'.

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

Add '-28' to each side of the equation.
28 + -28 + 4z = 12 + -28

Combine like terms: 28 + -28 = 0
0 + 4z = 12 + -28
4z = 12 + -28

Combine like terms: 12 + -28 = -16
4z = -16

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

Simplifying
z = -4

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