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Answer:
Either or
.
Step-by-step explanation:
.
Hence, there are two possibilities to consider:
- Either
,
- Or
.
If , then
.
Substitute into the original equation: . Solve for
:
.
Important: verify that the solution meet the assumption
. Indeed,
and is indeed non-negative. Hence, the solution
is valid.
On the other hand, if , then
.
Substitute into the original equation: . Solve for
:
.
Similarly, verify that the solution satisfies the current assumption that
. Indeed, this assumption is met, and
is also a valid solution.