Standard Mathematics Primary 6 Algebra

Simplify the expression 4(2x + 3) − 3(x − 5).

A 8x + 27
B 5x + 27
C 5x − 3
D 5x + 15
Show Worked Solution

Worked Solution

Step 1: Expand: 4(2x + 3) = 8x + 12. Step 2: Expand: −3(x − 5) = −3x + 15 (signs: − times − = +). Step 3: Combine: 8x + 12 − 3x + 15 = (8x − 3x) + (12 + 15) = 5x + 27. Answer: 5x + 27

Correct answer: 5x + 27

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free