19z-7z+2z-12z=18

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Solution for 19z-7z+2z-12z=18 equation: 


Simplifying
19z + -7z + 2z + -12z = 18

Combine like terms: 19z + -7z = 12z
12z + 2z + -12z = 18

Combine like terms: 12z + 2z = 14z
14z + -12z = 18

Combine like terms: 14z + -12z = 2z
2z = 18

Solving
2z = 18

Solving for variable 'z'.

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

Divide each side by '2'.
z = 9

Simplifying
z = 9

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