Answer:
Setting
Step-by-step explanation:
Answer:




Step-by-step explanation:
We have that:

When we substitute n=1, we get:

When we substitute n=2 we get:

When we substitute n=3, we get:

When we substitute n=n+1, we get:

Now

We expand and simplify to obtain:


Answer:
x=17
Step-by-step explanation:
53+(2x+3)=90
100+16=116 is the right answer
Those should be odd integers if I’m wrong let Me know and I’ll fix it for you