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RS Aggarwal Solutions Class 7 Mathematics Solutions for Linear Equations in one variable Exercise 7B in Chapter 7 - Linear Equations in one variable
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A number when multiplied by 4, exceeds itself by 45. Find the number.
Answer:
Solution:-
Let the required number be x.
Then,
= 4x - x = 45
= 3x = 45
Multiplying both side by (1/3)
= 3x × (1/3) = 45 × (1/3)
= x = 15
∴ the required number is 15
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