Respuesta :

Answer:-5


Step-by-step explanation:

2x+7-x+12=14

x+19=14

x=-5

                 


Answer:

x=-5

Step-by-step explanation:

Ok so, (2x+7)+(-x+12)=14

solve the equation, by opening the parantheses.

2x+7+-x+12=14

x= -5