Respuesta :

3 = 3/4 (b-8)

Apply distributive property:

3 = (3/4b ) + ( 3/4*-8)

3 = 3/4b -6

Add 6 to both sides of the equation:

3+6 = 3/4b-6+6

9 = 3/4b

Multiply each side by 4/3

9 (4/3) = 3/4b (4/3)

12= b

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