. Rewrite this formula having ‘b’ as the subject.

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answer is C.

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Detailed Solution

Concept- A term's operation switches to the inverse operation when it is moved (transposed) to the other side of the equation. The linear equation remains balanced as a result. The Transposition Method is a technique for resolving linear equations.
Now let's reverse this equation: To get "b" as the subject, use

As we can see, the operation of "a" is addition, or "+." As a result, the operation of "a" will be "-," or subtraction, when we transpose it to the other side of the equation.

We can now see that the operation of "c" is "+," which stands for addition. The operation of "c" will be "-," or subtraction, when we transpose it to the other side of the equation.

As a result, we now have an equation with the variable "b" as its subject.
We could also put it like this:

Hence, the correct answer is option 3

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