Substitute the values for the variables in the expression and let me know what you get.
1 – 20 – 6
the answer is B
yea but i wanna know how to solve it
No, work from left to right. What is 1-20?
Close, the larger number is negative, so the answer is negative.
Yep. Then what is -19-6?
No, a is positive 6, so it is -19-6
It's cool :-)