Question

Someone please help me out ??

Answer 1

`\displaystyle 2r+2`

Explanation:

Group like terms.

`\displaystyle 8r-6r+7-5`

Add numbers from left to right.

`\displaystyle8-6=2`

`2r+7-5`

Add and subtract numbers from left to right.

`7-5=2`

`\displaystyle 2r+2`, which is our answer.

Hope this helps!