One fifth of a number added to half of its equal to 9 less then the number .find the number
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let the number is x
then one fifth = x/5 and it is added to half of its= x/2
means( x/5 + x/2) and now this value is equal to 9 less than x. means x -9
so (x/5 + x/2) = x-9
7x/10= x-9
7x = 10x-90
3x= 90
x= 30
then one fifth = x/5 and it is added to half of its= x/2
means( x/5 + x/2) and now this value is equal to 9 less than x. means x -9
so (x/5 + x/2) = x-9
7x/10= x-9
7x = 10x-90
3x= 90
x= 30
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