X+y-3z=4

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Solution for X+y-3z=4 equation:


Simplifying
X + y + -3z = 4

Solving
X + y + -3z = 4

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 + -3z = 4 + -1y

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

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

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

Simplifying
X = 4 + -1y + 3z

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