z+39=20

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Solution for z+39=20 equation: 


Simplifying
z + 39 = 20

Reorder the terms:
39 + z = 20

Solving
39 + z = 20

Solving for variable 'z'.

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

Add '-39' to each side of the equation.
39 + -39 + z = 20 + -39

Combine like terms: 39 + -39 = 0
0 + z = 20 + -39
z = 20 + -39

Combine like terms: 20 + -39 = -19
z = -19

Simplifying
z = -19

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