Respuesta :

lperkinscotto387

Answer:

starting problem:

5x + 7 + 2x

Combine like terms 5x5x and 2x2x

7x+7

Final Answer

7x+7

5x + 7 + 2x

Collect like term

7x + 7

Factor out 7 from the expression

Answer: 7 (x +1)