Question

What should be added to thrice the rational number
$- \frac{7}{4} to \: get \: \frac{3}{7}$
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Answer 1

Answer:

$\frac{ - 7}{4} and \frac{3}{7 }$

$\frac{ - 7 + 1}{4 \times 7} and \frac{3 + 1}{4 \times 7}$

$\frac{6}{28} and \frac{4}{28}$

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Answer 2

Answer:

let X should be added

A.T.Q

x+(-7/4)=3/7

x-(7/4)=3/7

(4x-7)/4 = 3/7

28x-49=12

28x=61

x=2.17

Hope it helps....