SOLUTION: Here are my problems : a = -1, b = -8, c = 5, d = -1.4 1) |6a| 2) |17c| + |3b - 5| 3) |5a - 7| + |3c - 4| 4) |4d| + |5 - 2a| Thank-you,

Algebra ->  Absolute-value -> SOLUTION: Here are my problems : a = -1, b = -8, c = 5, d = -1.4 1) |6a| 2) |17c| + |3b - 5| 3) |5a - 7| + |3c - 4| 4) |4d| + |5 - 2a| Thank-you,       Log On


   

Question 155188: Here are my problems : a = -1, b = -8, c = 5, d = -1.4
1) |6a|
2) |17c| + |3b - 5|
3) |5a - 7| + |3c - 4|
4) |4d| + |5 - 2a|

Thank-you,


Answer by orca(409) About Me  (Show Source):
You can put this solution on YOUR website!
(1)
|6a|=|6*(-1)|=|-6|=6
(2)
|17c| + |3b - 5|=|17*5|+|3*(-8)-5|=|85|+|-24-5|=|85|+|-29|=85+29=114
(3)
|5a - 7| + |3c - 4|=|5(-1) - 7| + |3*5 - 4|=|-5 - 7| + |15 - 4|=|-12|+|11|=12+11=23
(4)
|4d| + |5 - 2a| =|4(-1.4)| + |5 - 2(-1)|=|-5.6|+|5+2|=|-5.6|+|7|=5.6+7=12.6