How do you simplify #-3+9-12#?
2 Answers
Explanation:
To simplify the equation you have to combine like terms. In this case they are all like terms: (
They are all numbers without variables.
Add
You add the negative terms together to make
Therefore the simplified expression is (
You can then do the subtraction and end up with
Explanation:
If you want to apply BODMAS, PEDMAS etc, be careful no to fall into the mistake of thinking that the addition is
TO avoid this type of error, re-arrange the expression with any additions at the beginning with the subtractions following:
Or working from left to right gives: