✔ 最佳答案
Make y the subject of that equation:
-10x + (1/2)y = 5
y/2 = 5 + 10x
y = 2(5 + 10x)
= 20x + 10
You should know the formula y = mx +b, where m = slope and b = y-intercept.
So from the equation above (y = 20x + 10), we can tell that 20 is the slope.