x(m+n)+y(m+n)=0

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Solution for x(m+n)+y(m+n)=0 equation:


Simplifying
x(m + n) + y(m + n) = 0
(m * x + n * x) + y(m + n) = 0
(mx + nx) + y(m + n) = 0
mx + nx + (m * y + n * y) = 0
mx + nx + (my + ny) = 0

Reorder the terms:
mx + my + nx + ny = 0

Solving
mx + my + nx + ny = 0

Solving for variable 'm'.

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

Add '-1nx' to each side of the equation.
mx + my + nx + -1nx + ny = 0 + -1nx

Combine like terms: nx + -1nx = 0
mx + my + 0 + ny = 0 + -1nx
mx + my + ny = 0 + -1nx
Remove the zero:
mx + my + ny = -1nx

Add '-1ny' to each side of the equation.
mx + my + ny + -1ny = -1nx + -1ny

Combine like terms: ny + -1ny = 0
mx + my + 0 = -1nx + -1ny
mx + my = -1nx + -1ny

Reorder the terms:
mx + my + nx + ny = -1nx + nx + -1ny + ny

Combine like terms: -1nx + nx = 0
mx + my + nx + ny = 0 + -1ny + ny
mx + my + nx + ny = -1ny + ny

Combine like terms: -1ny + ny = 0
mx + my + nx + ny = 0

The solution to this equation could not be determined.

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