Answer:

Explanation:

To use order of operations stands for (Parenthesis, Exponents, Multiply, Divide, Add, and Subtract) the numbers from left to right. Please Excuse My Dear Aunt Sally!
First, solve parenthesis.
![\displaystyle [26-7(1+2)])](https://img.qammunity.org/2020/formulas/mathematics/middle-school/jvh59je7mcsdfpnb0qtokh15dua83fmv3q.png)





Next, multiply numbers from left to right.

Then, add numbers from left to right.

