40=2x-1

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Solution for 40=2x-1 equation:


Simplifying
40 = 2x + -1

Reorder the terms:
40 = -1 + 2x

Solving
40 = -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.
40 + -2x = -1 + 2x + -2x

Combine like terms: 2x + -2x = 0
40 + -2x = -1 + 0
40 + -2x = -1

Add '-40' to each side of the equation.
40 + -40 + -2x = -1 + -40

Combine like terms: 40 + -40 = 0
0 + -2x = -1 + -40
-2x = -1 + -40

Combine like terms: -1 + -40 = -41
-2x = -41

Divide each side by '-2'.
x = 20.5

Simplifying
x = 20.5

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