-2b+2+7b=-18 - solution

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Solution for -2b+2+7b=-18 equation:

b in (-oo:+oo)

7*b-2*b+2 = -18 // + 18

7*b-2*b+2+18 = 0

5*b+20 = 0 // - 20

5*b = -20 // : 5

b = -20/5

b = -4

b = -4

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