xy+4=z

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Solution for xy+4=z equation: 


Simplifying
xy + 4 = z

Reorder the terms:
4 + xy = z

Solving
4 + xy = z

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + xy = -4 + z

Combine like terms: 4 + -4 = 0
0 + xy = -4 + z
xy = -4 + z

Divide each side by 'y'.
x = -4y-1 + y-1z

Simplifying
x = -4y-1 + y-1z

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