21z-24=102

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Solution for 21z-24=102 equation: 


Simplifying
21z + -24 = 102

Reorder the terms:
-24 + 21z = 102

Solving
-24 + 21z = 102

Solving for variable 'z'.

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

Add '24' to each side of the equation.
-24 + 24 + 21z = 102 + 24

Combine like terms: -24 + 24 = 0
0 + 21z = 102 + 24
21z = 102 + 24

Combine like terms: 102 + 24 = 126
21z = 126

Divide each side by '21'.
z = 6

Simplifying
z = 6

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