2x-y+3z+u=4

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Solution for 2x-y+3z+u=4 equation:


Simplifying
2x + -1y + 3z + u = 4

Reorder the terms:
u + 2x + -1y + 3z = 4

Solving
u + 2x + -1y + 3z = 4

Solving for variable 'u'.

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

Add '-2x' to each side of the equation.
u + 2x + -1y + -2x + 3z = 4 + -2x

Reorder the terms:
u + 2x + -2x + -1y + 3z = 4 + -2x

Combine like terms: 2x + -2x = 0
u + 0 + -1y + 3z = 4 + -2x
u + -1y + 3z = 4 + -2x

Add 'y' to each side of the equation.
u + -1y + y + 3z = 4 + -2x + y

Combine like terms: -1y + y = 0
u + 0 + 3z = 4 + -2x + y
u + 3z = 4 + -2x + y

Add '-3z' to each side of the equation.
u + 3z + -3z = 4 + -2x + y + -3z

Combine like terms: 3z + -3z = 0
u + 0 = 4 + -2x + y + -3z
u = 4 + -2x + y + -3z

Simplifying
u = 4 + -2x + y + -3z

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