Answer:
Step-by-step explanation:
a) Yes.

b) Yes

c) Yes

d) No

You take your x, divide by 7. Take your 7x and add 6+4 and divide by 7. Then you have 112 degrees.
I don’t know what your asking
Do you mean 3y? If so, 3y = 1/2x + 2
3y - 1/2x = 2 is standard form