3=w/-2-7 - solution

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Solution for 3=w/-2-7 equation:

w in (-oo:+oo)

3 = w/(-2)-7 // - w/(-2)-7

3-(w/(-2))+7 = 0

1/2*w+10 = 0 // - 10

1/2*w = -10 // : 1/2

w = -10/1/2

w = -20

w = -20

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