Answer :
Answer:
Infinite many solutions
Step-by-step explanation:
9d − 8 = –8 + 9d
* add 8 to each side *
-8 + 8 cancels out
-8 + 8 cancels out
we're left with 9d = 9d
When the same number/variable is on each side of the equal sign there is an infinite amount of solutions