2x-y-z=7

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Solution for 2x-y-z=7 equation:


Simplifying
2x + -1y + -1z = 7

Solving
2x + -1y + -1z = 7

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.
2x + -1y + y + -1z = 7 + y

Combine like terms: -1y + y = 0
2x + 0 + -1z = 7 + y
2x + -1z = 7 + y

Add 'z' to each side of the equation.
2x + -1z + z = 7 + y + z

Combine like terms: -1z + z = 0
2x + 0 = 7 + y + z
2x = 7 + y + z

Divide each side by '2'.
x = 3.5 + 0.5y + 0.5z

Simplifying
x = 3.5 + 0.5y + 0.5z

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