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AJUTATIMA VA ROG 2.(X+5)-X+3.(X-1)=35 URGENT

Răspuns :

[tex]\displaystyle 2(x+5)-x+3(x-1)=35 \\ 2x+10-x+3x-3=35 \\ 2x-x+3x=35-10+3 \\ 4x=28 \\ x= \frac{28}{4} \\ x=7[/tex]