91=2x-1

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Solution for 91=2x-1 equation:


Simplifying
91 = 2x + -1

Reorder the terms:
91 = -1 + 2x

Solving
91 = -1 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
91 + -2x = -1 + 2x + -2x

Combine like terms: 2x + -2x = 0
91 + -2x = -1 + 0
91 + -2x = -1

Add '-91' to each side of the equation.
91 + -91 + -2x = -1 + -91

Combine like terms: 91 + -91 = 0
0 + -2x = -1 + -91
-2x = -1 + -91

Combine like terms: -1 + -91 = -92
-2x = -92

Divide each side by '-2'.
x = 46

Simplifying
x = 46

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