SOLUTION: please solve this system of two equation.
xy=1
x=4y
Answer is: x=2, y=1/2 or x=-2, y= - 1/2
Thanks.
Algebra.Com
Question 271079: please solve this system of two equation.
xy=1
x=4y
Answer is: x=2, y=1/2 or x=-2, y= - 1/2
Thanks.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
x=4y
xy=1
.
4y*y=1 substitute 4y for x
4y^2=1
y^2=1/4
y=1/2, y=-1/2
.
Ed
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