Name: ________ Date:_________
Finding the unknown value (S16)
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1
1
4
–
1
=
5
3
2
1
–
1
=
4
5
3
2
–
x
=
7
5
30
4
x
–
1
=
1
3
2
5
5
–
x
=
1
6
2
3
6
x
–
1
=
1
4
5
20