What is the solution? |x-3|≤|x+7|
I looked on mathway and it said no solution but I've seen other sources saying All Real Numbers. Is this extraneous??? Please provide a solution and explanation
I looked on mathway and it said no solution but I've seen other sources saying All Real Numbers. Is this extraneous??? Please provide a solution and explanation
2 Answers
Explanation:
For another method, please see below.
Explanation:
Solve the equation:
This involves solving
Not test the inequality on each piece of the number line.
For
abs(-5-3) = 8 " " is not less thatabs(-5+7) = 2
For
abs(0-3) = 3 <= abs(0+7) = 7
The solution set is