Simplify the following expressions. Then, evaluate given e=3 and f=-2a) (+2e) - (+3f) - (-2f) + (+3e)b) (-5f) + (-f) - (+4e) - (-e)c) (+3e XXXXXXXXXX2e XXXXXXXXXXd) (-2f) - (-4f) + (2e) + (-f)e) (+4e)...

Simplify the following expressions. Then, evaluate given e=3 and f=-2a) (+2e) - (+3f) - (-2f) + (+3e)b) (-5f) + (-f) - (+4e) - (-e)c) (+3e) + (+10) + (-2e) - (+12)d) (-2f) - (-4f) + (2e) + (-f)e) (+4e) + (-9e) - (-7f) + (+2f)