Question

How to do 6-12÷3+8-9

Answer 1

You would do Order of operations.

Answer 2

you use PEDMAS

Parenthesis

Exponents

Division and Multiplication

Addition and Substraction

First you do the division

12/3=4

6-4+8-9

and now you do it in order

6-4=2

2+8=10

10-9=

1