Name: ________ Date:_________
Finding the unknown value (S6)
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1
1
2
–
1
2
=
3
5
2
3
–
1
=
5
6
3
3
–
x
=
4
5
15
4
x
–
2
=
7
5
20
5
1
–
x
=
1
3
4
12
6
x
–
1
=
5
3
4
12