Respuesta :

Answer:

x= 15

Step-by-step explanation:

2x+10=40

2x=40-10

2x=30

x=15

Answer:

x=15

Step-by-step explanation:

2x+10=40

Subtract 10 from each side

2x+10-10=40-10

2x=30

Divide by 2

2x/2=30/2

x = 15