SOLUTION: Can u explain how to do this |x|+7>16

Algebra ->  Test -> SOLUTION: Can u explain how to do this |x|+7>16      Log On


   

Question 718545: Can u explain how to do this |x|+7>16
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Can u explain how to do this |x|+7>16
Because x could be >0 or <0, there are two possible solutions:
..
x+7>16
add -7 to both sides
x > 9
or
-x+7>16
-x>9
x<-9
number line
<==-9)......(9==>
solution: (-∞,-9) U (9,∞)