Question

please explain step by step​

Answer 1

Step-by-step explanation:

15y-60-2y+8+5y+6

18y-46

2(9y-23)

I hope it's help you.........

Answer 2

$15(y - 4) - 2(y - 9) + 5(y + 6) = 0 \\ \\ 15y - 60 - 2y - 18 + 5y + 30 = 0 \\ \\ 15y + 5y - 2y - 60 - 18 + 30 = 0 \\ \\ 20y - 2y - 78 + 30 = 0 \\ \\ 18y - 48 = 0 \\ \\ 18y = 48 \\ \\ y = \frac{48}{18} \\ \\ y = 2.6$