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9c-7b-5a
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9c-7b-5a
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2a+c-3b-7a-4b-\left(-8c\right)
To find the opposite of 7a+4b-8c, find the opposite of each term.
2a+c-3b-7a-4b+8c
The opposite of -8c is 8c.
-5a+c-3b-4b+8c
Combine 2a and -7a to get -5a.
-5a+c-7b+8c
Combine -3b and -4b to get -7b.
-5a+9c-7b
Combine c and 8c to get 9c.
2a+c-3b-7a-4b-\left(-8c\right)
To find the opposite of 7a+4b-8c, find the opposite of each term.
2a+c-3b-7a-4b+8c
The opposite of -8c is 8c.
-5a+c-3b-4b+8c
Combine 2a and -7a to get -5a.
-5a+c-7b+8c
Combine -3b and -4b to get -7b.
-5a+9c-7b
Combine c and 8c to get 9c.
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Limits
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