$\displaystyle 4x+9y-12=0$ and $\displaystyle 4x^2+9y^2=36$ any better method to find x and y other than putting $\displaystyle x = (12-9y) / 4$ ?
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Originally Posted by afeasfaerw23231233 $\displaystyle 4x+9y-12=0$ and $\displaystyle 4x^2+9y^2=36$ any better method to find x and y other than putting $\displaystyle x = (12-9y) / 4$ ? nope, it does not seem that way. apparently you can't get away without solving for x or y from the first equation here
thanks
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