Respuesta :
Answer:
2x + 4
Step-by-step explanation:
You add the x terms together, 7x and -5x, as well as the constants and simplify.
Answer:
2x +4
Step-by-step explanation:
2+7x+3-5x-1
Put the x terms together and the constants together
7x-5x +2+3-1
2x +4