derx^2-y^2=4

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Solution for derx^2-y^2=4 equation: 


Simplifying
derx2 + -1y2 = 4

Solving
derx2 + -1y2 = 4

Solving for variable 'd'.

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

Add 'y2' to each side of the equation.
derx2 + -1y2 + y2 = 4 + y2

Combine like terms: -1y2 + y2 = 0
derx2 + 0 = 4 + y2
derx2 = 4 + y2

Divide each side by 'erx2'.
d = 4e-1r-1x-2 + e-1r-1x-2y2

Simplifying
d = 4e-1r-1x-2 + e-1r-1x-2y2

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