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Grand Theft Crouton

Suppose a and b are equal and are an arbitrary number

`Given: a = b`

Multiply both sides by a

`a2 = ab`

Subtract b2 from both sides

`a2 - b2 = ab -  b2`

Factor

`(a + b)(a - b) = b(a - b)`

Divide both sides by (a - b)

`a + b = b`

Substitue b for a, since they're equal (from the given)

`b + b = b`

Divide both sides by b

`1 + 1 = 1`

`2 = 1`
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