SOLUTION: If a=-2, c=2, y=3, and z=-4.2 Please evaluate the following expression. -|5a+c| + |3y +2z|

Algebra ->  Absolute-value -> SOLUTION: If a=-2, c=2, y=3, and z=-4.2 Please evaluate the following expression. -|5a+c| + |3y +2z|      Log On


   

Question 1048244: If a=-2, c=2, y=3, and z=-4.2 Please evaluate the following expression.
-|5a+c| + |3y +2z|
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
-|5a+c| + |3y +2z|
-|-10+2|+|9-8.4|
-8+0.6=-7.4
What is occurring in the absolute value brackets must be calculated, then made positive if negative. The minus sign on the outside is not distributed over the brackets but makes what was in them negative.