2=7/9(-9)+b - solution

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Solution for 2=7/9(-9)+b equation:

b in (-oo:+oo)

2 = b-9*(7/9) // - b-9*(7/9)

2-b-(-9*(7/9)) = 0

2-b+7 = 0

9-b = 0 // - 9

-b = -9 // * -1

b = 9

b = 9

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