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zaharov [31]
3 years ago
8

7-x=21. help ????????????

Mathematics
2 answers:
dlinn [17]3 years ago
7 0
Ignore the work
The answer is -14

7-x= 21
-7 -7
-x= 14
_ _
- -
X= -14
Dmitriy789 [7]3 years ago
6 0
X=-14
do you want an explanation <span />
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