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6c-d+7
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6c-d+7
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c-\left(d-5c+13\right)+20
Combine 3c and -8c to get -5c.
c-d-\left(-5c\right)-13+20
To find the opposite of d-5c+13, find the opposite of each term.
c-d+5c-13+20
The opposite of -5c is 5c.
6c-d-13+20
Combine c and 5c to get 6c.
6c-d+7
Add -13 and 20 to get 7.
c-\left(d-5c+13\right)+20
Combine 3c and -8c to get -5c.
c-d-\left(-5c\right)-13+20
To find the opposite of d-5c+13, find the opposite of each term.
c-d+5c-13+20
The opposite of -5c is 5c.
6c-d-13+20
Combine c and 5c to get 6c.
6c-d+7
Add -13 and 20 to get 7.
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