Answer:
x=4
Step-by-step explanation:
3x+x - 2x + 8= 3x + x
4x- 2x +8 = 4x
2x + 8= 4x
8= 2x
x=4
D is the answer to your question
Answer:
y= 3x+1
Step-by-step explanation:
(You can describe the steps for your explanation. See below for the attachment)