Respuesta :

jasminekernes

Answer:

b = -3/2

Step-by-step explanation:

b in (-oo:+oo)

(3/4)*b = -9/8 // + -9/8

(3/4)*b-(-9/8) = 0

(3/4)*b+9/8 = 0

3/4*b+9/8 = 0 // - 9/8

3/4*b = -9/8 // : 3/4

b = -9/8/3/4

b = -3/2

b = -3/2

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