Rozwiąż równanie.
{x+y=200
{x/y=(½)²
Proszę o szybkie rozwiązanie :-)
x+y=200
x/y=(½)²
x= 200-y
200-y/y = ¼ /*y
200-y = ¼y
-y-¼y = -200
-1¼y= -200 /:(-1¼)
y= 160
x= 200-160
x= 40
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x+y=200
x/y=(½)²
x= 200-y
200-y/y = ¼ /*y
x= 200-y
200-y = ¼y
x= 200-y
-y-¼y = -200
x= 200-y
-1¼y= -200 /:(-1¼)
x= 200-y
y= 160
x= 200-160
y= 160
x= 40
y= 160