2x+y-z=-5

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Solution for 2x+y-z=-5 equation:


Simplifying
2x + y + -1z = -5

Solving
2x + y + -1z = -5

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.
2x + y + -1y + -1z = -5 + -1y

Combine like terms: y + -1y = 0
2x + 0 + -1z = -5 + -1y
2x + -1z = -5 + -1y

Add 'z' to each side of the equation.
2x + -1z + z = -5 + -1y + z

Combine like terms: -1z + z = 0
2x + 0 = -5 + -1y + z
2x = -5 + -1y + z

Divide each side by '2'.
x = -2.5 + -0.5y + 0.5z

Simplifying
x = -2.5 + -0.5y + 0.5z

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