Answer :
★ Linear Reduction ★
[tex]3y + 9 = 39 \\ 3y = 39 - 9 = 30 \\ 3y = 30 \\ y = \frac{30}{3} = 10[/tex]
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[tex]3y + 9 = 39 \\ 3y = 39 - 9 = 30 \\ 3y = 30 \\ y = \frac{30}{3} = 10[/tex]
★✩★✩★✩★✩★✩★✩★✩★✩★✩★✩★