Question

three times a number decreased by 9 gives 39 .find the number .

Answer 1

Answer:

16

Step-by-step explanation:

do inverse operation (the opposite of what it says) to find x (the number) so u do 39+9=48 then u divide instead of multiply which is 48/3 which is 16

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Answer 2

let the no.=x
by the given information>
3x-9=39
3x=48
x=16..
hope it'll help
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