20z-18z-2z+z=7

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Solution for 20z-18z-2z+z=7 equation: 


Simplifying
20z + -18z + -2z + z = 7

Combine like terms: 20z + -18z = 2z
2z + -2z + z = 7

Combine like terms: 2z + -2z = 0
0 + z = 7
z = 7

Solving
z = 7

Solving for variable 'z'.

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

Simplifying
z = 7

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