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2014-11-17T12:35:36+02:00
X=suma lui Mugurel
y=suma lui Ionut
y=5x
x+y=42000
x+5x=42000
6x=42000
x=42000 : 6=7000 euro are Mugurel
y=7000 · 5 =35000 euro are Ionut
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2014-11-17T12:48:29+02:00
A-bani lui ionut
b-bani lui mugurel
a+b=42000
a=5b
5b+b=42000
6b=42000
b=7000
a=5x7000=35000
1 5 1