Name: ________ Date:_________
Finding the unknown value (S38)
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1
1
2
–
1
2
=
5
6
2
1
3
–
1
1
=
5
4
3
2
–
x
=
1
3
6
4
x
–
1
=
1
2
4
5
2
–
x
=
1
5
3
15
6
x
–
1
=
11
4
5
20