Answer:
x+4=0
Step-by-step explanation:
The answer is 15and not the others
3b+6
If you make both equations equal each other, you can then solve the system of equations.
2/7 ( k+5/8) = 2 and 2/7
2/7 (k+5/8) = 16/7 |multiply by 7
2(k+5/8) = 16 |divide by 2
k+5/8 = 8 |subtract 5/8
k=8-5/8 = 7 and 3/8 = 27/8 = 7.375