Answer:
[tex]7m+2[/tex]
Step-by-step explanation:
Commutative property of addition:[tex]x+y=y+x[/tex]
[tex]-6+7m+8\\=7m-6+8\ \ \ \ \ (using\ commutative\ property\ of\ addition)\\=7m+(-6+8)\ \ \ \ (using\ associative\ property\ (x+y)+z=x+(y+z))\\=7m+2[/tex]
