2z-31=n-1

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Solution for 2z-31=n-1 equation:


Simplifying
2z + -31 = n + -1

Reorder the terms:
-31 + 2z = n + -1

Reorder the terms:
-31 + 2z = -1 + n

Solving
-31 + 2z = -1 + n

Solving for variable 'z'.

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

Add '31' to each side of the equation.
-31 + 31 + 2z = -1 + 31 + n

Combine like terms: -31 + 31 = 0
0 + 2z = -1 + 31 + n
2z = -1 + 31 + n

Combine like terms: -1 + 31 = 30
2z = 30 + n

Divide each side by '2'.
z = 15 + 0.5n

Simplifying
z = 15 + 0.5n

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