emmyzhu0726 emmyzhu0726

28-02-2021
Mathematics

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Ann thought of a number N, multiplied it by 5 and added 7. Then she told the result R to Jim. (R=5n+7) using the previous formula write the formula that could help Jim guess annie's number N as he is given the value result of R.

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kathrynlizzy kathrynlizzy

28-02-2021

Answer:

N = R - 7

--------

5

Step-by-step explanation:

R=5n+7

subtract 7 from both sides

5n = R-7

divide both sides by 5

n = R-7

------

5

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