NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 7: Algebra - Multiple Choice QuestionsQuestion 17
Class 6 - Mathematics - Unit 7: Algebra - Multiple Choice Questions
Question. 17
The expression obtained when x is multiplied by 2 and then subtracted from 3 is
(A)
2x – 3
(B)
2x + 3
(C)
3 – 2x
(D)
3x – 2
Detailed Answer with Explanation:
Step 1: “x is multiplied by 2” means we take x and multiply by 2.
(2 imes x)
(= 2x)
Step 2: “then subtracted from 3” means we start with 3 and subtract the result from Step 1.
(3 - (2x))
(= 3 - 2x)
Step 3: Match with the options. The expression is (3 - 2x), which is option C.
Quick check (optional): Let (x = 1). Phrase gives (3 - 2 imes1 = 1). If we wrongly wrote (2x - 3), we’d get (2 imes1 - 3 = -1), which doesn’t match the phrase.