Eight times of a number reduced by 10 is equal to the sum of six times the num
Find the number
A number consists of two digits whose sum is 9. If 27 is subtracted from them
digits are reversed. Find the number
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In 5 years time, Reshma will be three times old as she was years ago. How ok
Anw
hy neople and then this new population des
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Q. 24.3( 30 Votes )
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Class 8thAP - Mathematics2. Linear Equations in One Variable
Answer
Let the number be x.
Eight times of the number reduced by 10 = 8x – 10.
Sum of six times the number and 4 = 6x + 4.
According to the given condition,
8x – 10 = 6x + 4
⇒ 8x – 6x = 4 + 10 (Transposing 6x to LHS and 10 to RHS)
2x = 14
⇒ x =14/2
(Transposing 2 to RHS)
x = 7
∴ The required number is 7.
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