j - jabłka
g - gruszki
3j kg + 4g kg = 32zł
4j kg + 2g kg = 22zł ||*(-2)
-8j kg - 4g kg = -44zł
+________________
-5j kg = -12zł||:(-5kg)
j = 2,4zł / 1kg
3*2,4zł + 4g kg = 32zł
7,2zł + 4g kg = 32zł
4g kg = 24,8zł ||:4kg
g = 6,2zł / 1kg
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j - jabłka
g - gruszki
3j kg + 4g kg = 32zł
4j kg + 2g kg = 22zł ||*(-2)
3j kg + 4g kg = 32zł
-8j kg - 4g kg = -44zł
+________________
-5j kg = -12zł||:(-5kg)
j = 2,4zł / 1kg
3*2,4zł + 4g kg = 32zł
7,2zł + 4g kg = 32zł
4g kg = 24,8zł ||:4kg
g = 6,2zł / 1kg