Question

y=x/2-1.
Find x if y=9.


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Answer 1

Answer:20

Step-by-step explanation:solution is given below

9=x/2-1

18=x-2

x=20

Answer 2

Answer:

x=9

Step-by-step explanation:

y=x/2-1.............(1)

Given, y=9

So, in equation 1

9=x/2-1

Now, cross multiply.

We get,

18-9=x

So, x=9