add 7a-2b+5c and -13a-4b+7c
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Answered by
2
Answer:
yoo!! bro/sis ✌✌
7a - 2b + 5c + ( - 13a - 4b + 7c )
= 7a - 13a - 2b - 4b + 5c + 7c
= -6a - 6b + 12c.
Answered by
1
Answer:
7a-2b+5c+13a-4b+7c
like terms add,
7a-13a-2b-4b+5c+7c
-6a-6b+12c
i hope this helps you.
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