Solve for R. 12-1/5=2r+1

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Eby asked Apr 23, 2022

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13 votes

Solve for R.
12-1/5=2r+1

Mathematics
high-school

Eby asked Apr 23, 2022

by Eby

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13 votes

Answer:

r=27/5 or 5.4

Explanation:

Tarum answered Apr 23, 2022

by Tarum

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20 votes

Answer:

${ \tt{12 - (1)/(5) = 2r + 1}} \\ \\ { \tt{ (60 - 1)/(5) = 2r + 1}} \\ \\ { \tt{59 = 5(2r + 1)}} \\ \\ { \tt{59 = 10r + 5}} \\ \\ { \tt{10r + 5 = 59}} \\ \\ { \tt{10r = 54}} \\ \\ { \tt{r = 5 (2)/(5) }}$

Arcyqwerty answered Apr 29, 2022

by Arcyqwerty

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