X+Y+3Z=11

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Solution for X+Y+3Z=11 equation: 


Simplifying
X + Y + 3Z = 11

Solving
X + Y + 3Z = 11

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 = 11 + -1Y

Combine like terms: Y + -1Y = 0
X + 0 + 3Z = 11 + -1Y
X + 3Z = 11 + -1Y

Add '-3Z' to each side of the equation.
X + 3Z + -3Z = 11 + -1Y + -3Z

Combine like terms: 3Z + -3Z = 0
X + 0 = 11 + -1Y + -3Z
X = 11 + -1Y + -3Z

Simplifying
X = 11 + -1Y + -3Z

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