# How do you evaluate the expression #|b+c|- a# given that #a=-1#, #b=2#, and #c=4#?

##### 1 Answer

Nov 4, 2014

In order to evaluate the expression |b + c| - a, given that a = -1, b = 2, and c = 4, you must substitute the values for a, b, and c into the expression, keeping in mind that the absolute value for any number is positive.

|2 + 4| - (-1) =

|6| - (-1) =

|6| + 1 =

6 + 1 = 7