4xyz + 4 = 6
4xy^z+4 =6
4xy^z = 2
xy^z = 1/2
Threre are INFINITE solutions to this...need more info....
\(4xy^z+4=6\\ 4xy^z=2\\ xy^z=\dfrac{1}{2}\\ x=\dfrac{1}{2y^z}\\ y^z=\dfrac{1}{2x}\\ y = \dfrac{1}{\sqrt[z]{2x}}\\ z\log y = -\log (2x)\\ z = -\dfrac{\log2x}{\log y}\)