Answer:
One solution
Step-by-step explanation:
The only solution is x = 2/3
Answer: 
Step-by-step explanation:

multiply the numberator and denominator:
3*-1 = -3
and
4*4 = 16 so,
is the answer
Answer:
i think it's correct
Step-by-step explanation:
I'm sorry if not but I believe it to be
answer:
21 + 3x (you would not put the x again since it is already given)
step-by-step explanation:
- we have to distribute 3 to the expression in the parenthesis
3 (7 + x)
= 21 + 3x
- this will be the expression once we distribute
Hi there!
Unfortunately, the beautiful fraction you've given us is simplified enough, and it cannot go any lower than what it is. So basically, you're left with 
Hope this helps!
Message me if you need anything else! I'd be happy to help! :D