Respuesta :

Answer:

The value of x is 60.

Step-by-step explanation:

You substitute 15 for y since that's the value of y:

x-2(15)=30

Solve for x:

x-2(15)=30

x-30=30

 +30   +30

x=60

Answer:

60

Step-by-step explanation:

x-2(15) =30                        So, 15 times 2 is 30           30 plus 30 equals 60