3x+y-4z=31

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Solution for 3x+y-4z=31 equation:


Simplifying
3x + y + -4z = 31

Solving
3x + y + -4z = 31

Solving for variable 'x'.

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

Add '-1y' to each side of the equation.
3x + y + -1y + -4z = 31 + -1y

Combine like terms: y + -1y = 0
3x + 0 + -4z = 31 + -1y
3x + -4z = 31 + -1y

Add '4z' to each side of the equation.
3x + -4z + 4z = 31 + -1y + 4z

Combine like terms: -4z + 4z = 0
3x + 0 = 31 + -1y + 4z
3x = 31 + -1y + 4z

Divide each side by '3'.
x = 10.33333333 + -0.3333333333y + 1.333333333z

Simplifying
x = 10.33333333 + -0.3333333333y + 1.333333333z

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