xy+yz+xz=21

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Solution for xy+yz+xz=21 equation:


Simplifying
xy + yz + xz = 21

Reorder the terms:
xy + xz + yz = 21

Solving
xy + xz + yz = 21

Solving for variable 'x'.

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

Add '-1yz' to each side of the equation.
xy + xz + yz + -1yz = 21 + -1yz

Combine like terms: yz + -1yz = 0
xy + xz + 0 = 21 + -1yz
xy + xz = 21 + -1yz

Reorder the terms:
-21 + xy + xz + yz = 21 + -1yz + -21 + yz

Reorder the terms:
-21 + xy + xz + yz = 21 + -21 + -1yz + yz

Combine like terms: 21 + -21 = 0
-21 + xy + xz + yz = 0 + -1yz + yz
-21 + xy + xz + yz = -1yz + yz

Combine like terms: -1yz + yz = 0
-21 + xy + xz + yz = 0

The solution to this equation could not be determined.

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