please give correct answer by step by step explaination

Answer:
y is 11. x is 5 n i think it is 10
Step-by-step explanation:
when you subtract just think what number can it be like 3 + x = 5. so here it is 2
hope this helps
Step-by-step explanation:
y-4=7
y=7+4
y=11(ans)
x-5=0
x=0+5=5(ans)
3(n-2)=48
3n-6=48
3n=48+6
n=54/3=18(ans)