(1.3x + 2y - 2x + 2 = 3x - 2x + 2y + 2
= (3x – 2x) + 2y + 2
= (3 - 2)x + 2y + 2
= x + 2y + 2
Simplify.
5. 3r+n2-r+5 - 2n + 2
6) 8v+w+ 7 – 8v + 2W.
(G. 4c² + 6c - 3 c² – 20 – 3
8. 2° + 5z + 37 +1 -4 - 27

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18