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Finding the Value of a Variable
Correct Answers:
1.
n
+ 3 = 7
n
=
2.
n
+ 6 = 8
n
=
3.
x
− 5 = 4
x
=
4.
x
+ 4 = 5
x
=
5.
3
n
= 15
n
=
6.
4
n
= 20
n
=
7.
n
3
= 4
n
=