Simplify the expression $5x+2x+3$.

Step-by-step solution

1. Identify like terms containing $x$.
2. Add coefficients of $x$ terms: $5+2=7$.
3. Combine constant term $+3$ remains unchanged.
4. Write simplified expression $7x+3$.

Concept tested: Simplify algebraic expression with like terms

Published 4 October 2026 · How this solution was prepared and checked