Respuesta :

ciaragiamarco
since b is a variable ( unknown) we replace b with 8 since its given to us so the equation turns to 8-3-3 which we do 8-3=5-3=2

sydnieelizabeth
substitute 8 for b in the equation.
now you have 8-3-3
then subtract 8 and 3. you get 5. then subtract 5 and 3 which gives you 2.
the answer is 2.

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