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[26+(x-7) *13]:2=49
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Răspuns :

Răspuns:

(26+13x-91):2=49

(13x-65):2=49

13x-65=2×49

13x-65=98

13x=98+65

13x=163

x=163:13

x=12,53

Răspuns:

[27+(x-7)×13]:2=49

27+(x-7)×13=49 × 2

27+(x-7)×13=98

27+(x-7)= 98 × 13

27+(x-7)=1274

x-7=1274 - 27

x-7=1247

x= 1247 + 7

x = 1254

1254 - 7 = 1247

Sper ca te am ajutat!

succes la teme!