# If x²+4y²=40 and xy=6, what will be the value of x+2y?

Anonymous
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### Question Description

If x²+4y²=40 and xy=6, what will be the value of x+2y? Please explain how you arrived at your answer.

Prof_stanley
School: UCLA

Hello buddy..✌ i have completed solving your question. find the doc file containing the answers and PDF with concepts. If there is any additional concept you would like me to elaborate, feel free to contact me. bye for now, see you around.😉

Solution
Step 1:
Let equation 1 be x²+4y²=40 and equation 2 be xy=6
Step 2:
Make x the subject of equation 2 by dividing y on both sides of the equation
xy/y=6/y
simplified the operation gives; x=6/y…let this be equation 3
Step 3:
Taking Equation 3 and squaring it; the result gives us equation 4
x2 =36/y2
step 4
take the values of equati...

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Anonymous
awesome work thanks

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