issb mathematics MCQ #290

If 5(x-1)=20, x is:

issb mathematics MCQ #290

  1. Question 1

    Q1. If 5(x-1)=20, x is:

    • A) 3
    • B) 4
    • C) 5
    • D) 6

    Answer: 5

    Explanation: Divide by 5 to get x-1=4. Add 1 to get x=5. Work each step carefully; ISSB math rewards accuracy under time pressure.