Question 914249
-2x + y = 24
:
5y = 10x + 120
Simplify this equation by dividing each term by 5, then you have
y = 2x + 24
we can rearrange it like the 1st equation (subtract 2x from both sides)
-2x + y = 24
Now we can see the two equations are equiv, so we call them dependent