2z+12=20

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Solution for 2z+12=20 equation: 


Simplifying
2z + 12 = 20

Reorder the terms:
12 + 2z = 20

Solving
12 + 2z = 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 + 2z = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 2z = 20 + -12
2z = 20 + -12

Combine like terms: 20 + -12 = 8
2z = 8

Divide each side by '2'.
z = 4

Simplifying
z = 4

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