2z=17-21

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Solution for 2z=17-21 equation: 


Simplifying
2z = 17 + -21

Combine like terms: 17 + -21 = -4
2z = -4

Solving
2z = -4

Solving for variable 'z'.

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

Divide each side by '2'.
z = -2

Simplifying
z = -2

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