Answer:
Option C)
[tex]-5a - 4[/tex]
Step-by-step explanation:
We are given the following expression in the question:
[tex]7a -8 - 12a + 4[/tex]
We have to simplify the given expression. This is done by collecting all the like terms together and simplifying. The following steps are taken.
Simplifying we get,
[tex]7a -8 - 12a + 4\\=(7a-12a)+ (4-8)\\=-5a -5[/tex]
Thus, the correct answer is:
Option C)
[tex]-5a - 4[/tex]
