SOLUTION: how do you slove them and how do you know if they are a solution or not?
|r-8|=5
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Question 399759: how do you slove them and how do you know if they are a solution or not?
|r-8|=5
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
This symbol |x| denotes the absolute value of . That is the number without its sign, like |+3| = 3 and |-3| = 3.
|r-8|=5......absolute value equation
Solve for x:
|r - 8| = 5
Solution:
is the . Either that argument will be , or it will be .
, or
We must solve these two equations. The first implies
The second implies
These are the two solutions: or .
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