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Daca x+y=8, si y + 2z=35 calculati:
a) 5x +13y+16z
b)3y-2x+10 z
c) 7x+10y+6z
d)4•(2z+y+3x+3y
Ajutatima va roooog!!!!


Răspuns :

5+13+16=34
3-2+10=11
7+10+6=23