Name: ________ Date:_________
Finding the unknown value (A26)
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1
7
+
4
=
8
9
2
3
+
5
=
5
9
3
2
+
x
=
1
1
3
15
4
x
+
1
=
1
1
4
20
5
4
+
x
=
1
3
5
2
10
6
x
+
1
=
9
4
5
20