2x+3x=13

To solve the equation \(2x + 3x = 13\), combine the like terms on the left side:

\[ (2x + 3x) = 5x \]

So, the equation simplifies to:

\[ 5x = 13 \]

Next, divide both sides by 5 to solve for \(x\):

\[ x = \frac{13}{5} \]

Thus, the solution is:

\[ x = 2.6 \]