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5ori x+17ori x =
6xa-18xb=
3xa+18xb-12xc=


Răspuns :

5x + 17x = 22x
6a - 18b = 6(a - 3b)
3a + 18b - 12c = 3(a + 6b - 4c)
[tex]5x+17x=x(5+17)=x*22=\boxed{22x} \\ 6a-18b=\boxed{6(a-3b)} [/tex]
[tex]3a+18b-12c=\boxed{3(a+6b-4c}[/tex]