3x-y-z=7

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Solution for 3x-y-z=7 equation:


Simplifying
3x + -1y + -1z = 7

Solving
3x + -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.
3x + -1y + y + -1z = 7 + y

Combine like terms: -1y + y = 0
3x + 0 + -1z = 7 + y
3x + -1z = 7 + y

Add 'z' to each side of the equation.
3x + -1z + z = 7 + y + z

Combine like terms: -1z + z = 0
3x + 0 = 7 + y + z
3x = 7 + y + z

Divide each side by '3'.
x = 2.333333333 + 0.3333333333y + 0.3333333333z

Simplifying
x = 2.333333333 + 0.3333333333y + 0.3333333333z

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