2z-77=1

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Solution for 2z-77=1 equation: 


Simplifying
2z + -77 = 1

Reorder the terms:
-77 + 2z = 1

Solving
-77 + 2z = 1

Solving for variable 'z'.

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

Add '77' to each side of the equation.
-77 + 77 + 2z = 1 + 77

Combine like terms: -77 + 77 = 0
0 + 2z = 1 + 77
2z = 1 + 77

Combine like terms: 1 + 77 = 78
2z = 78

Divide each side by '2'.
z = 39

Simplifying
z = 39

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