Answer:
6x + 3
Step-by-step explanation:
'x' and '5x' are like terms. Combining them will simplify the expression.

Hope this helps.
Answer:
If your solving for y...
The answer would be: y = -9/8x + 17/8 I believe.
For the second one... it would be : y = -1/7x + 8/7
Step-by-step explanation:
Answer:
343
Step-by-step explanation:
I think that the answer is 61 I got this off of google so I'm not 100 percent sure please don't take my word as anything but second advice.