Question

3(x+3)−5x=−3(x−3)+xis it Conditional, Contradiction, or Identity

Answer 1

Solution;

$\begin{gathered} 3\left(x+3\right)−5x=−3\left(x−3\right)+x \\ 3x+9-5x=-3x+9+x \\ -2x+9=-2x+9 \end{gathered}$

The equation is IDENTITY.

An equation satisfied by every number that

is a meaningful replacement for the variable

is called an identity. Eg: 3(x+1) = 3x+3.