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