2x+3y-z=-9

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


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

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

Solving for variable 'x'.

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

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

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

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

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

Divide each side by '2'.
x = -4.5 + -1.5y + 0.5z

Simplifying
x = -4.5 + -1.5y + 0.5z

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