Question

How do you prove that 1 = 2 by using a & b operations??

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Answer 1

$\huge\underline\red{ANSWER}$

Since a = b (that's the assumption we started with), we can substitute b in for a to get: b + b = b. Combining the two terms on the left gives us: 2b = b. Since b appears on both sides, we can divide through by b to get: 2 = 1.