Name: ________ Date:_________
Finding the unknown value (A6)
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1
3
+
1
1
=
5
7
2
1
2
+
2
1
=
3
5
3
2
+
x
=
11
5
15
4
x
+
1
=
1
6
3
5
4
+
x
=
17
5
3
15
6
x
+
1
=
8
3
5
15