Sagot :
3 yıl önce
leman x
baba 5x+2
3 yıl sonra
leman x+3
baba 5x+5
6x+8=38
x=5 çıkar lemanda bugün x+3 ise cvp 8 dir
x+y = 38
x-3=5(y-3)+2
x-3=5y-15+2
x=5y-16
5y-16+y=38
6y=54
y=9
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