NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 4: Simple Equations - Write Equations
Question 65

Question. 65

If 1 is subtracted from a number and the difference is multiplied by 1/2, the result is 7.

Answer:

(1/2)(x − 1) = 7

Detailed Answer with Explanation:

Number = x.
x − 1 ⇒ difference.
Multiply by 1/2 ⇒ (1/2)(x − 1).
Equation: (1/2)(x − 1) = 7.

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NCERT Exemplar Solutions Class 7 – Mathematics – Unit 4: Simple Equations – Write Equations | Detailed Answers