Answer:
45
Step-by-step explanation:
We are given that an equation
[tex]x-y=30[/tex]
We have to find the value of x when y=15
Substitute the value of y in given equation then, we get
[tex]x-15=30[/tex]
[tex]x=30+15[/tex]
Addition property of equality
[tex]x=45[/tex]
By addition property of integers
Answer:x=45
