Question

the difference of one-seventh of a number 'n' and 10 is 3​

Answer 1

Answer:

n = 91

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Step-by-step explanation:

one seventh of n is n/7

the difference between n/7 and 10 is 3. n/7 - 10 = 3

now, we can solve for n

$\frac{n}{7} - 10 = 3\\\frac{n}{7} = 3+10\\n = 13*7\\n = 91$