7z=18-39

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Solution for 7z=18-39 equation: 


Simplifying
7z = 18 + -39

Combine like terms: 18 + -39 = -21
7z = -21

Solving
7z = -21

Solving for variable 'z'.

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

Divide each side by '7'.
z = -3

Simplifying
z = -3

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