Respuesta :

Answer:19+ b

Step-by-step explanation:

Answer:

B + 19

Step-by-step explanation:

B is an unknown number. *

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Example.

If Stefan has 1 bouncy ball, Hannah would have 20.

Formula.

Stephan's Amount + 19 = Hannah's Amount

Solving Your Problem.

We will do the same thing except replacing "1" with "b".

b = Stefan's Amount

b + 19 = Hannah's Amount

We are just adding 19 to his.

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Note: In Algebra, we use lowercase variables usually...just a side note.

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I hope I helped you solving this problem, and sorry if I have bad english. I am learning every day thank you! :)