Question

what must be added to -1 by 4 to get 2 by 7​

Answer 1

Step-by-step explanation:

Let X is added, then,

$x + ( - \frac{1}{4} ) = \frac{2}{7}$

$x = \frac{2}{7} + \frac{1}{4}$

$x = \frac{8 + 7}{28}$

$x = \frac{15}{28}$

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