Răspuns :

Parkerbetyid

[(x+2)×3+5]:2=13

(x+2)×3+5=2×13=26

(x+2)×3=26-5=21

x+2=21:3=7

x=7-2

x=5

☆Sper că te-am ajutat☆

Jojoi54id

Răspuns:

[(x+2)×3+5]:2=13

[(x+2)×3+5]=13x2

(x+2)X3+5=26

(x+2)X3=26-5

(x+2)x3=21

(x+2)=21:3

x+2=7

x=7-2

x=5

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