9z=21-2x

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Solution for 9z=21-2x equation: 


Simplifying
9z = 21 + -2x

Solving
9z = 21 + -2x

Solving for variable 'z'.

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

Divide each side by '9'.
z = 2.333333333 + -0.2222222222x

Simplifying
z = 2.333333333 + -0.2222222222x

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