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Mathematics
Mathematics
Problem
A student says, “
x
=
−
5
2
x = -\dfrac{5}{2}
x
=
−
2
5
is a solution of
4
x
+
7
=
−
3
4x + 7 = -3
4
x
+
7
=
−
3
.” Do you agree with the student? Give a reason for your answer.
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