z+12=20

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Solution for z+12=20 equation: 


Simplifying
z + 12 = 20

Reorder the terms:
12 + z = 20

Solving
12 + z = 20

Solving for variable 'z'.

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

Add '-12' to each side of the equation.
12 + -12 + z = 20 + -12

Combine like terms: 12 + -12 = 0
0 + z = 20 + -12
z = 20 + -12

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

Simplifying
z = 8

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