what is the value of n in" n÷5 - 3n÷4 + 5n÷6 =21 "
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Hi ,
n /5 - ( 3n/4 )+ 5n /6 = 21
LCM of 5 , 4 and 6 = 60
( 12n - 45n + 50n ) /60 = 21
17n/60 = 21
n = ( 21 × 60 ) /17
n = 1260/17
I hope this helps you.
:)
n /5 - ( 3n/4 )+ 5n /6 = 21
LCM of 5 , 4 and 6 = 60
( 12n - 45n + 50n ) /60 = 21
17n/60 = 21
n = ( 21 × 60 ) /17
n = 1260/17
I hope this helps you.
:)
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