30=w+6w+9

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Solution for 30=w+6w+9 equation: 


w in (-oo:+oo)

30 = w+6*w+9 // - w+6*w+9

30-w-(6*w)-9 = 0

30-w-6*w-9 = 0

21-7*w = 0 // - 21

-7*w = -21 // : -7

w = -21/(-7)

w = 3

w = 3

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