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Mathematics
Ruby
14 June, 23:42
What are Absolute Value Equations
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Kiley Hays
15 June, 00:30
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Absolute Value Equations are equations that look like this:
I x + 5 I = 15
They have 2 solutions almost all the time. To solve this equation we do this:
x+5=15 x+5=-15
Then you solve them:
x+5=15 x+5=-15
x=15-5 x=-15-5
x=10 x=-20
The solutions would be x=10 and x=-20.
In some cases, you only have one solution:
I x + 5 I = 0
0 cannot be negative, so we only have one equation to solve:
x+5=0
x=0-5
x=-5
The one solution would be x=-5.
In some OTHER cases, you have no solution. This happens when the absolute value equation equals to a negative number:
I x + 5 I = -10
Absolute value solutions are always going to end up positive because absolute value turns the number, negative or positive, into a positive.
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