2b+10+7b=100 - solution

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Solution for 2b+10+7b=100 equation:

b in (-oo:+oo)

2*b+7*b+10 = 100 // - 100

2*b+7*b-100+10 = 0

9*b-90 = 0 // + 90

9*b = 90 // : 9

b = 90/9

b = 10

b = 10

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