Differentiate between a conditional equation and an identity?


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Conditional equation\textbf{Conditional equation} : An equation that is true for some value of variable but not true for the another value of variable is called conditional equation.

For example\textbf{For example}:

2x+5=72x=752x=2x=1\begin{align*} 2x+5&=7\\ 2x&=7-5\\ 2x&=2\\ x&=1 \end{align*}

Hence, the above equation has only solution x=1x=1. But not another.

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