Question

4(2y + 5) = 7y − 9;
2(3 − y) = 3(2y + 7)

Answer 1

$8y + 20 = 7y - 9 \\ y = - 29 \\ \\ 6 - 2y = 6y + 21 \\ - 8y = 15 \\ y = - \frac{15}{8} \\ y = - 1 \frac{7}{8}$