To determine the number of terms in the expression \(2x - 5y + 3 + x\), let's identify each distinct term:
- \(2x\)
- \(-5y\)
- \(3\)
- \(x\)
Now, while \(x\) can be combined with \(2x\) to simplify the expression further, as it stands in the original expression there are still 4 distinct terms.
So, the expression contains 4 terms.
The answer is 4.