Answer:
1.) True
2.) False
3.) Open
Step-by-step explanation:
[tex]3(x+4)=3x+12\\3x+12=3x+12\\True[/tex]
[tex]6-(3-5)=(3-5)-6\\6-(-2)=(-2)-6\\8=-8\\False[/tex]
[tex]3x-12=4\\3x=16\\x=\frac{16}{3}\\Ope~n[/tex]
