Add:
3a + 5b - 4c and 2a - 5b - 4c.

Given: 3a + 5b - 4c and 2a - 5b - 4c

To find: We have to add the given expressions.

Solution: 

We need to add:

3a + 5b - 4c and 2a - 5b - 4c

So,

(3a + 5b - 4c) + (2a - 5b - 4c)

=  3a + 2a + 5b - 5b - 4c - 4c

=  5a - 8c

Tutorialspoint

Updated on: 10-Oct-2022

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