solve for x and y : where 3x+y is not equal to 0,and 3x-y is not equal to zero
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here is the answer
Step-by-step explanation:
let 3x-y be b and 3x+y=a
(1/a+1/b=3/4)×1/2=1/2a+1/2b=3/8
(1/2a-1/2b=-1/8)×1=1/2a-1/2a=-1/8
adding the above two we get
a=1 b= -4
then
3x+y=1
y=1-3x
3x-y= -4
therefore by calculating both the equations
x= -1/4 y=5/2
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