Amina thinks a number and subtracts 5/2 from it.she multiply the result by 8. the result now obtained is three times the same number she thought of. what is the number?

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Solution

Let she thoughts the no x
according to question ,she subtract the 5/2 from the no.= x-5/2
now ,she multiply the result by 8 =8(x-5/2)
according to statement
3x = 8(x-5/2)
3x=8x -20
20=5x
x=4
she thought the number is 4

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Amina thinks a number and subtracts 5/2 from it.she multiply the result by 8. the result now obtained is three times the same number she thought of. what is the number?

Let she thoughts the no x according to question ,she subtract the 5/2 from the no.= x-5/2 now ,she multiply the result by 8 =8(x-5/2) according to statement 3x = 8(x-5/2) 3x=8x -20 20=5x x=4 she thought the number is 4

Let she thoughts the no x
according to question ,she subtract the 5/2 from the no.= x-5/2
now ,she multiply the result by 8 =8(x-5/2)
according to statement
3x = 8(x-5/2)
3x=8x -20
20=5x
x=4
she thought the number is 4