1/2+4b=7b-2/5

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Solution for 1/2+4b=7b-2/5 equation:


b in (-oo:+oo)

4*b+1/2 = 7*b-(2/5) // - 7*b-(2/5)

4*b-(7*b)+1/2+2/5 = 0

4*b-7*b+1/2+2/5 = 0

9/10-3*b = 0 // - 9/10

-3*b = -9/10 // : -3

b = -9/10/(-3)

b = 3/10

b = 3/10

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