Question

find a number which when by multiplied by 8 and then reduced by 9 is equal to 47

Answer 1

let the number be x
ATQ
8x-9=47
8x=56
x=7

Answer 2

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Let the number be x, then
8x-9=47
8x=47+9
8x=56
x=56/8
Thus, x=7

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