[Toán 7] Tìm x,y

T

tieuthurirom37

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S

sonsuboy

$ 2^{x+1}.3y=12^x$
\Rightarrow $2^x.2.3y=12^x$
\Rightarrow$ 2.3y=12^x:2^x$
\Rightarrow $2.3y=6^x$
$x=...$
$y=...$
 
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