Question

B-1/b + 3x/x+2 = 1/2 urgente por favor

Answer 1

b-1/b+3x/x+2=1/2

(b-1)(2x+4)+3x•2b=2b(x+2)
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2b(x+2)

2xb+4b-2x-4+6xb=2bx+4

2xb+6xb-2bx-2x=8-4b

x(6b-2)=4(2-b)

x=4(2-b) :2
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6b-2 :2


x=2(2-b)
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3b-1