Question

Is it okay to add first before subtracting in `4-6+3`?

Answer 1

4 - 6 + 3 = 1

You can add first but be careful because 4 - 9 is not correct.

4 + (-6 + 3) = 1 or 4 - (6 - 3) = 1 but not 4 - 9!