Equation: 10x + 5y = 4
5y = -10x + 4
Divide the equation by 5,
y = -2x + 4/5
Now Compare it with, y = mx + c
Here,m = -2
In short, Your Answer would be Option D
Hope this helps!
A: 1:1 unless they want you to count both arms then it would be B: 2:2
Hope this helps you 3y=54-2
1/5 i hope it helps. We knows this because 20 times 5 is 100. 5 times 2 is 10.