3d + 16 = -2 (5 - 3d )

Answer 1

3d +16 = -2(5-3d)

3d +16 = -10 + 6d

3d = 26

d = 26/3 = 8 2/3

check the solution

3(26/3) +16

= 26+16 = 42

-2(5-3(26/3)

=-2(5-26)=-2(-21)=42

It works

d= 26/3 or 8 2/3 = 8.666....