Question

Evaluate 9-b9−b9, minus, b when b=8b=8b, equals, 8.

Answer 1

Answer:

9-9b-9b-b

9b-9b-b= -9

0-b= -9

-b= -9

b=9

b=8b=8b=8

b=8b-8b=8

b=8

Step-by-step explanation:

Answer 2

Note: the given question is incorrect as it should be as follows:

Evaluate $9-B$ when$B=8$.

Given:$B=8$.

To evaluate: $9-B$ .

Solution:

Substitute the value of B in the given expression, $9-B$.

$9-B=9-8$

$\Rightarrow B=1$

Hence the value of B is 1.