Question

Simplify each expression by combining like terms -6 + 7m + 8 and please show me how

Answer 1

`7m+2`

Explanation:

Commutative property of addition:
`x+y=y+x`

`-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`