(x+-1y)*dx+xdy=4

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Solution for (x+-1y)*dx+xdy=4 equation:


Simplifying
(x + -1y) * dx + xdy = 4

Reorder the terms for easier multiplication:
dx(x + -1y) + xdy = 4
(x * dx + -1y * dx) + xdy = 4

Reorder the terms:
(-1dxy + dx2) + xdy = 4
(-1dxy + dx2) + xdy = 4

Reorder the terms:
-1dxy + dxy + dx2 = 4

Combine like terms: -1dxy + dxy = 0
0 + dx2 = 4
dx2 = 4

Solving
dx2 = 4

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Divide each side by 'x2'.
d = 4x-2

Simplifying
d = 4x-2

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