Question

pls ajutatima va rog ​

Answer 1

Răspuns:

[18:(-3)³-7^(-2)*5,(4)]*(x-1)= √4+2x

[18:(-27)-1/49*49/9]*(x-1)=√4+2x

(2/(-3)-1/9)*(x-1)=√4+2x

((-6-1)/9)*(x-1)=√4+2x

(-7)*(x-1)=9(√4+2x)

(-7)x+7=9√4+18x

25x=7-18=-11

x=(-11)/25