2x-1=-81

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Solution for 2x-1=-81 equation: 


Simplifying
2x + -1 = -81

Reorder the terms:
-1 + 2x = -81

Solving
-1 + 2x = -81

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 2x = -81 + 1

Combine like terms: -1 + 1 = 0
0 + 2x = -81 + 1
2x = -81 + 1

Combine like terms: -81 + 1 = -80
2x = -80

Divide each side by '2'.
x = -40

Simplifying
x = -40

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