Respuesta :

Answer:

the answer to your question is 10x+39

Answer:

x= 4.1

Step-by-step explanation:

6x+4x-1= 2(5x4)

10x-1 = 2 x 20

10x -1 = 40

10x = 41

10x/ 10 = 41/10

x= 4.1