Question

What are the combining like terms ?

Answer 1

2r+1

Explanation:

-5r-8+9+7r= (-5r+7r)+(-8+9)

Solve:

2r+1

Hope this helps!

Answer 2

`2r+1`

Explanation:

`-5r-8+9+7r`

Combine like terms:

• 
  `-5r+7r-8+9`

• 
  `-8+9=1`

• 
  `-5r+7r=2r`

• 
  `2r+1`

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