ax+by+cz+du=0

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Solution for ax+by+cz+du=0 equation:


Simplifying
ax + by + cz + du = 0

Solving
ax + by + cz + du = 0

Solving for variable 'a'.

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

Add '-1by' to each side of the equation.
ax + by + cz + -1by + du = 0 + -1by

Reorder the terms:
ax + by + -1by + cz + du = 0 + -1by

Combine like terms: by + -1by = 0
ax + 0 + cz + du = 0 + -1by
ax + cz + du = 0 + -1by
Remove the zero:
ax + cz + du = -1by

Add '-1cz' to each side of the equation.
ax + cz + -1cz + du = -1by + -1cz

Combine like terms: cz + -1cz = 0
ax + 0 + du = -1by + -1cz
ax + du = -1by + -1cz

Add '-1du' to each side of the equation.
ax + du + -1du = -1by + -1cz + -1du

Combine like terms: du + -1du = 0
ax + 0 = -1by + -1cz + -1du
ax = -1by + -1cz + -1du

Divide each side by 'x'.
a = -1bx-1y + -1cx-1z + -1dux-1

Simplifying
a = -1bx-1y + -1cx-1z + -1dux-1

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