(5y-x)dx+(3y-7x)dy=0

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Solution for (5y-x)dx+(3y-7x)dy=0 equation:


Simplifying
(5y + -1x) * dx + (3y + -7x) * dy = 0

Reorder the terms:
(-1x + 5y) * dx + (3y + -7x) * dy = 0

Reorder the terms for easier multiplication:
dx(-1x + 5y) + (3y + -7x) * dy = 0
(-1x * dx + 5y * dx) + (3y + -7x) * dy = 0

Reorder the terms:
(5dxy + -1dx2) + (3y + -7x) * dy = 0
(5dxy + -1dx2) + (3y + -7x) * dy = 0

Reorder the terms:
5dxy + -1dx2 + (-7x + 3y) * dy = 0

Reorder the terms for easier multiplication:
5dxy + -1dx2 + dy(-7x + 3y) = 0
5dxy + -1dx2 + (-7x * dy + 3y * dy) = 0
5dxy + -1dx2 + (-7dxy + 3dy2) = 0

Reorder the terms:
5dxy + -7dxy + -1dx2 + 3dy2 = 0

Combine like terms: 5dxy + -7dxy = -2dxy
-2dxy + -1dx2 + 3dy2 = 0

Solving
-2dxy + -1dx2 + 3dy2 = 0

Solving for variable 'd'.

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

Factor out the Greatest Common Factor (GCF), 'd'.
d(-2xy + -1x2 + 3y2) = 0

Factor a trinomial.
d((-1x + -3y)(x + -1y)) = 0

Subproblem 1

Set the factor 'd' equal to zero and attempt to solve: Simplifying d = 0 Solving d = 0 Move all terms containing d to the left, all other terms to the right. Simplifying d = 0

Subproblem 2

Set the factor '(-1x + -3y)' equal to zero and attempt to solve: Simplifying -1x + -3y = 0 Solving -1x + -3y = 0 Move all terms containing d to the left, all other terms to the right. Add 'x' to each side of the equation. -1x + x + -3y = 0 + x Combine like terms: -1x + x = 0 0 + -3y = 0 + x -3y = 0 + x Remove the zero: -3y = x Add '3y' to each side of the equation. -3y + 3y = x + 3y Combine like terms: -3y + 3y = 0 0 = x + 3y Simplifying 0 = x + 3y The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(x + -1y)' equal to zero and attempt to solve: Simplifying x + -1y = 0 Solving x + -1y = 0 Move all terms containing d to the left, all other terms to the right. Add '-1x' to each side of the equation. x + -1x + -1y = 0 + -1x Combine like terms: x + -1x = 0 0 + -1y = 0 + -1x -1y = 0 + -1x Remove the zero: -1y = -1x Add 'y' to each side of the equation. -1y + y = -1x + y Combine like terms: -1y + y = 0 0 = -1x + y Simplifying 0 = -1x + y The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

d = {0}

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