Answer:
6b+37
Explanation:
![6b+30+7](https://img.qammunity.org/2020/formulas/mathematics/middle-school/3cl0x5qjmuoz6vnxumuqcpcg47k517nm1o.png)
Since there is a parenthesis, you must get rid of it. You multiply the number in front of the parenthesis and you will get:
![6b+30+7](https://img.qammunity.org/2020/formulas/mathematics/middle-school/3cl0x5qjmuoz6vnxumuqcpcg47k517nm1o.png)
You cannot add a variable and a number, but you can add a number to a number so, you will get the answer