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# Help on differential equations! (C4) watch

1. dy/dx = 0.25(x+2y)

given that 2y = z-x show that dy/dx = 0.25(x+2y) may be written as

dz/dx = (z+2)/2
2. (Original post by Kev.1995)
dy/dx = 0.25(x+2y)

given that 2y = z-x show that dy/dx = 0.25(x+2y) may be written as

dz/dx = (z+2)/2
3. (Original post by Felix Felicis)
Thanks for your input but I need dz/dx!
4. (Original post by Kev.1995)
Thanks for your input but I need dz/dx!
Try differentiating implicitly to get in terms of and substitute
5. (Original post by Felix Felicis)
Try differentiating implicitly to get in terms of and substitute
yay i got it! Thanks

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