Answer: x=25.6
Step-by-step explanation:Look at pic to see how it is solved.
Times 6.4 on both sides which gives you 25.6 .
2(y−4)=4
(2)(y)+(2)(−4)=4
2y+−8=4
2y−8=4
2y−8+8=4+8
2y=12
y=6 is correct answer.
Hope this helps!
Thanks!