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Solving for n
Correct Answers:
1.
5 +
n
= 15
n
=
2.
n
+ 9 = 17
n
=
3.
n
− 16 = 7
n
=
4.
16 +
n
= 20
n
=
5.
15 =
n
+ 15
n
=
6.
13 +
n
= 18
n
=