Question

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Answer 1

5/12-3/2x=-6/7 (ATQ)
-3/2x=-6/7-5/12=-107/84
-3x=-107/84×2
-3x=107/42
x=107/42/-3/1
x=1.177..

Answer 2

let rational no. be x
$\frac{5}{12} - \frac{3x}{2} = \frac{ - 6}{7} \\ \frac{5 - 18x}{12} = \frac{ - 6}{7} \\ 7(5 - 18x) = - 6 \times 12 \\ 35 - 126x = - 72 \\ 126x = 35 + 72 \\ 126x = 107 \\ x = \frac{107}{126}$


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