Solve
5
−
x
+
7
=
3
\displaystyle {5}-\sqrt{{{x}+{7}}}={3}
5
−
x
+
7
=
3
for
x
\displaystyle {x}
x
.
Write your answer as an integer or reduced fraction. Write DNE if the answer does not exist in the real number system.
x
=
\displaystyle {x}=
x
=
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\displaystyle
Enter your answer as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity