Question

1-9y/19-3y = 5/8
moderators like amansharma answer this question
the answer is -29/19.
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if do chitting then 20 answers deleted ​

Answer 1

$\bf\qquad \dashrightarrow \: \dfrac{1 - 9y}{19 - 3y} = \dfrac{5}{8} \\ \\ \\ \qquad \bf \dashrightarrow \: 8 \: \bigg \lgroup1 - 9y \bigg \rgroup = 5 \: \bigg \lgroup19 - 3y \bigg \rgroup \\ \\ \\ \qquad \bf \dashrightarrow \: 8 - 72y = 95 - 15y \\ \\ \\ \qquad \bf \dashrightarrow \: 8 - 95 = - 15y + 72y \\ \\ \\ \bf \qquad \dashrightarrow \: - 87 = 57y \\ \\ \\ \bf \qquad \dashrightarrow \: y = \dfrac{ - 87}{57} \\ \\ \\ \bf \qquad \dashrightarrow \: y = \cancel\dfrac{ - 87}{57} \\ \\ \\ \qquad \dashrightarrow \bf\bigg \lgroup\because \: ( - 29)(3) = - 87 \: and \: (19)(3) = 57 \bigg \rgroup\\ \\ \\ \qquad\bf \dashrightarrow \: y = \dfrac{ - 29}{19}$

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