12z+-6z+-4z+z+-z=20

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Solution for 12z+-6z+-4z+z+-z=20 equation: 


Simplifying
12z + -6z + -4z + z + -1z = 20

Combine like terms: 12z + -6z = 6z
6z + -4z + z + -1z = 20

Combine like terms: 6z + -4z = 2z
2z + z + -1z = 20

Combine like terms: 2z + z = 3z
3z + -1z = 20

Combine like terms: 3z + -1z = 2z
2z = 20

Solving
2z = 20

Solving for variable 'z'.

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

Divide each side by '2'.
z = 10

Simplifying
z = 10

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