Name: ________ Date:_________
Finding the unknown value (S36)
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1
1
1
–
4
=
6
2
2
4
–
1
=
5
2
3
1
–
x
=
1
5
30
4
x
–
2
=
2
3
15
5
3
–
x
=
5
4
7
28
6
x
–
2
=
13
4
7
28