x+y+4z=-31

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


Simplifying
x + y + 4z = -31

Solving
x + 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.
x + y + -1y + 4z = -31 + -1y

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

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

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

Simplifying
x = -31 + -1y + -4z

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