Respuesta :

b=4 hope this helps.
4b+5 = 1+5b
4b+5 = 5b+1
4b+5−5b = 5b+1−5b
−b+5 = 1−b+5−5 = 1−5
−b −4−b/−1 = −4/−1
b=4
Hope this helps.

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