X+4y+z=21

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Solution for X+4y+z=21 equation:


Simplifying
X + 4y + z = 21

Solving
X + 4y + z = 21

Solving for variable 'X'.

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

Add '-4y' to each side of the equation.
X + 4y + -4y + z = 21 + -4y

Combine like terms: 4y + -4y = 0
X + 0 + z = 21 + -4y
X + z = 21 + -4y

Add '-1z' to each side of the equation.
X + z + -1z = 21 + -4y + -1z

Combine like terms: z + -1z = 0
X + 0 = 21 + -4y + -1z
X = 21 + -4y + -1z

Simplifying
X = 21 + -4y + -1z

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