Respuesta :
-3(2(4)-9)=? -3(2(-4)-9)=? -3(2(-5)-9)=? -3(2(5)-9)=?
-3(8-9)=? -3(-8-9)=? -3(-10-9)=? -3(10-9)=?
-3(-1)=3 -3(-17)=-20 -3(-19)=-22 -3(1)=-3
Wrong: B Wrong: A Wrong: C Correct: D
-3(8-9)=? -3(-8-9)=? -3(-10-9)=? -3(10-9)=?
-3(-1)=3 -3(-17)=-20 -3(-19)=-22 -3(1)=-3
Wrong: B Wrong: A Wrong: C Correct: D
[tex]-3(2x-9)=-3\ \ \ |:(-3)\\\\2x-9=1\ \ \ |+9\\\\2x=10\ \ \ |:2\\\\x=5[/tex]
Answer: D. 5
Answer: D. 5