7w+9+2w=-18

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Solution for 7w+9+2w=-18 equation: 


w in (-oo:+oo)

7*w+2*w+9 = -18 // + 18

7*w+2*w+9+18 = 0

9*w+27 = 0 // - 27

9*w = -27 // : 9

w = -27/9

w = -3

w = -3

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