Answer:
-16x
Step-by-step explanation:
6+(-16)=-10. If they all have "x", just combine like terms.
Answer:
?=-16x
Step-by-step explanation:
6x+?=-10x
-6x -6x
?=-16x
I hope this is right, I don't know how to get the exact value of ? but if the ? was a number I would be able to solve for x.