[tex]\bigstar\boxed{\large\bf{\leadsto B)\: y = -5}}[/tex]
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[tex]\large\bf{\underline{On\: solving\:the\:given\: equation:}}[/tex]
[tex]\bf{⟼-6y=30}[/tex]
[tex]\bf{⟼y=\frac{30}{-6}}[/tex]
[tex]\bf{⟼y=-5}[/tex]
➠ Hence , your answer is -5
