Question

D – 10 – 2d + 7 = 8 + d – 10 – 3d

A. d = –5
B. d = –1
C. d = 1
D. d = 5

Answer 1

I think its option D.d=5

Explanation:

After writing the question rearrange into same sides

d-2d-d+3d=8-10+10-7

d-d-2d+3d=12-7

-2d+3d=5

d=5