3(4+b)=8-1/2b

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Solution for 3(4+b)=8-1/2b equation: 


b in (-oo:+oo)

3*(b+4) = 8-((1/2)*b) // - 8-((1/2)*b)

3*(b+4)+(1/2)*b-8 = 0

3*(b+4)+b/2-8 = 0

(2*3*(b+4))/2+b/2+(-8*2)/2 = 0

2*3*(b+4)+b-8*2 = 0

7*b-16+24 = 0

7*b+8 = 0

(7*b+8)/2 = 0

(7*b+8)/2 = 0 // * 2

7*b+8 = 0

7*b+8 = 0 // - 8

7*b = -8 // : 7

b = -8/7

b = -8/7

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