(a+2b-3c+2c-3b-4a)-(5b-4c+a+2c-3b-4a)
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Answered by
2
the answer should be a
1c-3b-8a
a will be canceled
1c-3b-8a
a will be canceled
Answered by
0
a+2b-3c+2c-3b-4a-5b+4c-a-2c+3b+4a
a-a+4a-4a+2b-5b+3b-3b-3c+4c+2c-2c
-3b+1c-8a
a-a+4a-4a+2b-5b+3b-3b-3c+4c+2c-2c
-3b+1c-8a
ruhan46:
ok
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