3x-y+2z=-9

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Solution for 3x-y+2z=-9 equation:


Simplifying
3x + -1y + 2z = -9

Solving
3x + -1y + 2z = -9

Solving for variable 'x'.

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

Add 'y' to each side of the equation.
3x + -1y + y + 2z = -9 + y

Combine like terms: -1y + y = 0
3x + 0 + 2z = -9 + y
3x + 2z = -9 + y

Add '-2z' to each side of the equation.
3x + 2z + -2z = -9 + y + -2z

Combine like terms: 2z + -2z = 0
3x + 0 = -9 + y + -2z
3x = -9 + y + -2z

Divide each side by '3'.
x = -3 + 0.3333333333y + -0.6666666667z

Simplifying
x = -3 + 0.3333333333y + -0.6666666667z

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