SOLUTION: log2 (x+y)=3 and x2-3y2=4, solve the above equation

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Question 986306: log2 (x+y)=3 and x2-3y2=4, solve the above equation

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
log2 (x+y)=3
x2-3y2=4
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--> x+y = 8
y = 8-x
Sub for y in the 2nd equation.
==============
Use ^ (Shift 6) for exponents.
x^2 - 3y^2 = 4


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