SOLUTION: How to answer for system of non-linear equations by substitution on this problem ×^2+2y^2+3x-4y+20 and 2×-y=1

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Question 1091948: How to answer for system of non-linear equations by substitution on this problem
×^2+2y^2+3x-4y+20 and 2×-y=1
Answer by ikleyn(52810) About Me  (Show Source):
You can put this solution on YOUR website!
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It is strange to me, why for the variable x you use two different symbols , "×" and "x" ?

Could you write your formula in a plain uniform format (using "x" and not using "×") ?