Question

prove that 1 + 99 - 1 - 99 = 1​

Answer 1

$1 + 99 - 1 - 99 = 1 \\ 1 - 1 + 99 - 99 = 1 \\ 0 = 1$

since lhs not equal to rhs

The question is wrong

Answer 2

1+99-1-99=1

Multiplying both sides by 0

0(1+99-1-99)=1×0

0=0

LHS =RHS

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