20+4z=8

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Solution for 20+4z=8 equation: 


Simplifying
20 + 4z = 8

Solving
20 + 4z = 8

Solving for variable 'z'.

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

Add '-20' to each side of the equation.
20 + -20 + 4z = 8 + -20

Combine like terms: 20 + -20 = 0
0 + 4z = 8 + -20
4z = 8 + -20

Combine like terms: 8 + -20 = -12
4z = -12

Divide each side by '4'.
z = -3

Simplifying
z = -3

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