2x+3x=150

To solve the equation \(2x + 3x = 150\), you can combine the like terms on the left side:

\[ 5x = 150 \]

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

\[ x = \frac{150}{5} = 30 \]

Thus, the solution is:

\[ x = 30 \]