Answer:
2+3x
Step-by-step explanation:
5+2x+x-3
(5-3)+(2x+x)
(5-3)=2
(2x+x)=3x
2+3x would be your answer (if this is what your teacher is referring to!)
3x+2
x is the same as 1x, so 1x plus 2x is 3x and 5-3 is 2
