Find a Number Such that When 5 is Subtracted from 5 Times the Number, the Result is 4 More than Twice the Number. - Mathematics

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Sum

Find a number such that when 5 is subtracted from 5 times the number, the result is 4 more than twice the number.

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Solution

Let the number be x. 
According to the question, 
\[5x - 5 = 2x + 4\]
\[\text{ or }5x - 2x = 4 + 5\]
\[\text{ or }3x = 9\]
\[\text{ or }x = \frac{9}{3}\]
or x = 3
Thus, the number is 3.

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Chapter 9: Linear Equation in One Variable - Exercise 9.4 [Page 29]

APPEARS IN

RD Sharma Class 8 Maths
Chapter 9 Linear Equation in One Variable
Exercise 9.4 | Q 4 | Page 29
Selina Concise Mathematics Class 8 ICSE
Chapter 14 Linear Equations in one Variable
Exercise 14 (C) | Q 9 | Page 170
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