19z+z-15z-3z+z=12

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Solution for 19z+z-15z-3z+z=12 equation: 


Simplifying
19z + z + -15z + -3z + z = 12

Combine like terms: 19z + z = 20z
20z + -15z + -3z + z = 12

Combine like terms: 20z + -15z = 5z
5z + -3z + z = 12

Combine like terms: 5z + -3z = 2z
2z + z = 12

Combine like terms: 2z + z = 3z
3z = 12

Solving
3z = 12

Solving for variable 'z'.

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

Divide each side by '3'.
z = 4

Simplifying
z = 4

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