Simplify: 5a + 3a − 2a.

**The reasoning** This is about **combining like terms** — a fundamental algebra skill. Since all three terms have the same variable (a), you simply add and subtract their coefficients (the numbers in front): 5a + 3a − 2a = (5 + 3 − 2)a = 6a Think of it like money: if you have 5 naira, gain 3 more naira, then lose 2 naira, you're left with 6 naira. Same logic here, but with "a" instead of naira. **Why the wrong options tempt you** - **8a**: You added 5 + 3 but forgot to subtract the 2. Easy to miss that minus sign when rushing! - **10a**: You multiplied instead of adding (5 × 2 = 10). Wrong operation entirely. - **4a**: You subtracted wrong, maybe doing 5 − 3 + 2 or mixing up the order. **Quick takeaway** When all terms share the same variable, treat the numbers like regular addition/subtraction, then stick the variable back on — you're just counting how many "a's" you have in total.