X-6Y+7Z=-9

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Solution for X-6Y+7Z=-9 equation: 


Simplifying
X + -6Y + 7Z = -9

Solving
X + -6Y + 7Z = -9

Solving for variable 'X'.

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

Add '6Y' to each side of the equation.
X + -6Y + 6Y + 7Z = -9 + 6Y

Combine like terms: -6Y + 6Y = 0
X + 0 + 7Z = -9 + 6Y
X + 7Z = -9 + 6Y

Add '-7Z' to each side of the equation.
X + 7Z + -7Z = -9 + 6Y + -7Z

Combine like terms: 7Z + -7Z = 0
X + 0 = -9 + 6Y + -7Z
X = -9 + 6Y + -7Z

Simplifying
X = -9 + 6Y + -7Z

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